Biotic factors include plants, animals, and microbes Important abiotic factors include the amount of sunlight in the ecosystem, the amount of oxygen and dissolved nutrients in the water, proximity to land, depth, and temperature.
Sunlight is one of the most important abiotic factors for marine ecosystems. The two most important abiotic factors that produce the primary productivity of plants in an ecosystem are temperature and humidity. Abiotic factors that influence aquatic biomes include light availability, depth, stratification, temperature, currents, and tides. The most important abiotic factors include water, sunlight, oxygen, soil, and temperature. Water (H2O) is a very important abiotic factor, it is often said that “water is life”. All living organisms need water. In fact, water makes up at least 50% of almost all living things. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
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lyme disease is caused by infections of the bacterium borrelia burgdorferi which is transferred to humans via blood-sucking bites from the tick, ixodes scapularis. newly hatched ticks do not harbor b. burgdorferi. rather, they pick it up from certain hosts that are reservoirs of the bacterium. when a larval tick crawls onto a host, it may get groomed off and killed by the host, or it may feed successfully, in which case it may or may not then become infected with b. burgdorferi.
Hard-bodied ticks (Acari: Ixodidae), which carry the spirochetal bacterium Borrelia burgdorferi sensu lato (Bbsl), are the primary vectors of the Lyme disease infection.
Hard-bodied ticks commonly transmit the spirochetal bacteria that causes Lyme disease, Borrelia burgdorferi sensu lato (Bbsl) (Acari: Ixodidae). Every time this tick-borne zoonosis is brought up in medical offices and ERs, a tempest of debate ensues. Healthcare professionals frequently fall into denial and deny the existence of this deadly spirochetosis in their region. We carried out a 4-year tick-host study (2013–2016) and collected ticks from avian and mammalian hosts from Atlantic Canada to the West Coast to determine the distribution of Bbsl across Canada. 1265 ticks total, representing 27 tick species from four genera, were gathered. Six of the 18 tick species that were tested for Bbsl were among the 15 species that tested positive (83%) and bitten people. 13 out of 18 overall ticks
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darwin claims that sexual selection is ""less rigid in its action than ordinary selection"" – is this necessarily true?
The sentence is necessarily true. Sexual selection is a biological way one sex chooses a mate for the best reproductive success.
In The Origin of Species, Darwin put out the theory of sexual selection and elaborated on it. By presenting copious data and taking into account the idea's wide-ranging consequences, he went well beyond a straightforward explanation of the phenomena. One of Darwin's greatest assets was that he frequently wrote his literary works with a specific point in mind and gathered a tonne of data to back it up. The main goal of The Descent of Man was to demonstrate that evolutionary principles applied to humans and that we came from an ape-like common ancestor, despite the fact that Darwin's contribution to the idea of sexual selection is what gives the book its most well-known reputation.
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chromosome breakage and abnormal re-attachment is one mechanism that causes a reciprocal translocation. another mechanism to cause the same structural change involves a crossover between nonhomologous chromosomes.
Yes, Chromosome breakage and abnormal re-attachment is one mechanism that causes a reciprocal translocation. Another mechanism involves a crossover between nonhomologous chromosomes.
Crossover between nonhomologous chromosomes, chromosomal breakage, and DNA repair all results in reciprocal translocations. Chromosomes that do not come from the same pair are referred to as non-homologous chromosomes. In non-homologous chromosomes, the form of the chromosome—that is, the length of the arms and the location of the controller—is generally different. Therefore, meiosis does not result in the pairing of non-homologous chromosomes.
Homologous genes are described as two or more genes that have a common ancestor. In a genetic context, however, they have a more precise meaning: ancestry is knowledge about your ancestors' genetic tie to you. Your ancestors are the people from whom you are biologically related.
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What role does cellular respiration play in the carbon cycle?
It removes CO2 from the atmosphere during glycolysis.
It removes CO2 from the atmosphere during the citric acid cycle.
It releases CO2 to the atmosphere during acetyl CoA formation.
It releases CO2 to the atmosphere during electron transport
Answer:
It releases CO2 into the atmosphere during acetyl CoA formation.
Explanation:
During cellular respiration, cells break down glucose molecules into water and carbon dioxide to produce ATP. ATP is the power that a body needs to function. There are 4 stages of cellular respiration which are Glycolysis, Pyruvate oxidation, the Citric-acid cycle, and oxidative phosphorylation.
In 'pyruvate oxidation', each pyruvate from the glycolysis goes into mitochondria and is converted into a two-carbon molecule bound to coenzyme A. It is known as CoA. Carbon dioxide is released.
Answer: C
Explanation:
edge
which of the following best describes the movement of energy in an ecosystem? responses energy is constantly recycled by decomposers for use by producers. energy is constantly recycled by decomposers for use by producers. energy is harnessed by producers, and available energy decreases with each trophic level transfer. energy is harnessed by producers, and available energy decreases with each trophic level transfer. energy is absorbed by plants through water and soil and then moves up the food chain through consumers. energy is absorbed by plants through water and soil and then moves up the food chain through consumers. energy is magnified as it moves up the trophic levels, and tertiary consumers store the most energy in a food web.
b.energy harnessed by producers and available energy decreases with each tropic level transferred
Energy flows through the food chain and food web. Plants absorb sunlight with the help of chloroplasts during the process of energy flow in the ecosystem, and a portion of it produce chemical energy in the process of photosynthesis. Matter, unlike energy, is recycled in ecosystems. Plants absorb nutrients through their roots. When primary consumers consume plants, nutrients are transferred to them.
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Which of the following occurs when digestion of organic molecules results in more energy-rich molecules than are immediately required by the animal?
The excess is stored as glycogen when when digestion of organic molecules results in more energy-rich molecules than are immediately required by the animal.
What is glycogen?
Our cells' primary fuel source is glucose. The liver and muscles store the glucose when the body doesn't need to use it for energy. Glycogen is the name given to the stored form of glucose, which is composed of many linked glucose molecules.
To assist control your blood glucose (sugar) levels, your body mostly uses the glycogen reserve in your liver. The hormones glucagon and insulin are largely used by your body to properly maintain blood glucose levels. Your pancreas releases extra glucagon (glucagon excess) when your blood glucose levels drop too low (hypoglycemia).
Therefore, The excess is stored as glycogen when when digestion of organic molecules results in more energy-rich molecules than are immediately required by the animal.
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explain why low levels of ozone are typically recorded in the morning (hint: how does ground-level ozone form):
Low levels of ozone are typically recorded in the morning because industrial unit emissions, motor vehicle emissions, chemical reactions, and sunlight are lowest in the morning.
Morning ozone levels are normally low because the activity of ground-level ozone-producing sources such as industrial unit emissions, motor vehicle emissions, chemical reactions, and sunlight is lowest in the morning. Nitrogen oxide and volatile organic molecules are formed by the emission of these units. Ground-level ozone is created by the chemical interaction between nitrogen oxide with a volatile organic molecule in the presence of sunlight. The combination of low emission and low solar light creates an unfavorable environment for ozone production. As a result, the morning ozone level is lowered.
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What Kingdom and class would this fossil belong to? Explain your choice.
Answer:
Kingdom: Animalia Class: Actinopterygii (ray-finned fishes)
Explanation:
It is an animal (thus Animalia) and it belongs to class of Actinopterygii (ray-finned fish) since it has clearly visible 'rays,' or spines, in their fins
how would mutations that completely ablate [remove/destroy] the function of the androgen receptor impact the phenotypic development of humans with xy chromosomes?
Patients would appear phenotypically female in the mutations that completely ablate the function of the androgen receptor and impact the phenotypic development of humans with XY chromosomes.
A member of the nuclear hormone receptor superfamily of transcription factors, Dose-Sensitive Sex Reversal Locus on Chromosome X, Gene 1 (DAX1), also known as Nuclear Receptor Subfamily 0, Group B, Member 1 (NR0B1), predominantly acts as a transcriptional repressor.
Due to uncertain external genital differentiation ranges, male-to-female sex reversal is linked to duplication of the DAX1/NROB1 gene.
Males and females are distinguished by having one X and one Y chromosome in each diploid cell of their bodies, however, XX males who are SRY-positive have two X chromosomes, one of which contains genetic material from the Y chromosome, making them phenotypically male but genetically female.
The DAX1 protein may play a direct or indirect role in the control of hypothalamic-pituitary function by gonadal hormones.
The complete question is:
How would mutations that completely ablate the function of the androgen receptor impact the phenotypic development of humans with XY chromosomes?
(A). Patients would appear phenotypically female.
(B). Patients would appear phenotypically male with underdeveloped secondary sex characteristics.
(C). Patients would appear phenotypically male, but cannot produce sperm.
(D). Patients would express both male and female secondary sex characteristics.
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charles darwin proposed that the mechanism of evolution is natural selection and that it explains how adaptations arise. what are adaptations? give two examples of adaptations.
Adaptations are inherited characteristics of organisms that enhance their survival and reproduction in specific environments. Possible examples include the mottled coloration of a fawn and the sharp talons.
An organism, such as a plant or animal, can acquire any heritable characteristic that aids in its ability to survive and procreate in its environment. Three related definitions of Adaptation exist. First, the dynamic evolutionary process of natural selection improves the evolutionary fitness of organisms by adaptation them to their environments. Second, it's a state that the populace reaches during that process.
Any organic, living system that performs as a separate, autonomous unit is considered an organism. Cells make up every living thing. Taxonomy divides living things into categories like multicellular animals, plants, and fungus, or unicellular microbes like protists, bacteria, and archaea.
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When four hydrogen atoms bind with oxygen and four electrons, what molecule is created?
Answer:tyrone
Explanation:
________ splicing allows different combinations of exons from the same gene to synthesize different proteins.
A) Alternative
B) Cooperative
C) Successive
D) Passive
The correct option is A) Alternative splicing. Alternative splicing modifies the proteins that mRNAs encode, which has significant functional implications.
Alternative splicing's overarching goal is to broaden the variety of mRNAs that are expressed in the genome. An experimental examination of these protein isoforms revealed that alternative splicing controls the binding of proteins to one another, nucleic acids, and membranes. Alternative splicing controls how proteins are localized, how they function enzymatically, and how they interact with ligands. Individual splicing isoforms often result in minor modifications. However,' splicing programs' are frequently coordinated by cells, and this can have a significant impact on the nervous system's properties as well as cell survival and proliferation. Alternative splicing appears as a crucial component in gene control that disrupts practically every biological function studied because of its extensive utilization and molecular adaptability.
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Your profeor ha given you an aignment to write a reearch paper on a biological topic of your choice. What i/are the very firt thing/ you hould do? (elect all that apply)
An academic article known as a research paper offers a through examination, assessment, or interpretation of a specific subject supported by empirical data.
What is research paper?
Successfully completing a research paper entails completing the precise responsibilities assigned to you.
Read it carefully, looking for any unclear language you might require your lecturer to explain.Determine the assignment's purpose, due date, length requirements, format, and submission method.Make a list of the main points in bullet points, and as you write, go back and check off the items as you go.The following subject topics connected to the act of producing a research paper are covered in the pages in this section:
Genre-The outline in this part will help you comprehend the distinctions between an analytical and an argumentative research paper.
Selecting a Topic: This part will help the student select a topic, whether it is one that has been provided to them or one that they choose themselves.
Identifying an Audience - By providing some fundamental rules for the procedure, this part will assist the learner in understanding the issue of audience, which is frequently perplexing.
Where Do I Begin- This portion of the handout's conclusion offers a number of links to Purdue University resources and offers a summary of the process of producing a research paper.
Hence, An academic article known as a research paper offers a through examination, assessment, or interpretation of a specific subject supported by empirical data.
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Cells j2:m6 have been copied. Paste the copied cells into the selected worksheet location (cell n2) so the formulas, formatting, and source cell widths are pasted.
False
Applications for spreadsheets offer a setting for effective data analysis. It contains a huge selection of instruments and formulas. The places where data is entered are called cells.
Data can be obtained from a database, pasted from another cell, or input directly into cells.
Select the data you want to copy and paste from another worksheet, then copy it and paste it into the desired worksheet. Only the worksheet has been duplicated with all the data and calculations; if necessary, the columns can be changed.
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take a few minutes to examine this display showing the evolutionary development of the dinosaurs over time. what are the differences between dinosaurs from the triassic, jurassic and cretaceous periods?
The Triassic, Jurassic, and Cretaceous periods, all of which were part of the Mesozoic era for dinosaurs. The Jurassic constitutes the middle period of the Mesozoic Era, also known as the Age of Reptiles. The Cretaceous is the third and final period of the Mesozoic Era.
Geologists have designated the Triassic, Jurassic, and Cretaceous periods to distinguish between different types of strata (chalk, limestone, etc.) deposited tens of millions of years ago. The dinosaurs survived the extinction of many huge terrestrial creatures, which allowed them to evolve into a wide range of shapes and multiply. Paleontologists link dinosaurs to the geologic era in which they lived since dinosaur remains are typically found embedded in rock, such as "the sauropods of the late Jurassic." In a nutshell, throughout this very long period of time, known as "mya" or "millions of years ago," dinosaurs, marine reptiles, fish, mammals, flying creatures like pterosaurs and birds, and a wide variety of plant life all evolved.
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what are the benefits of recombinant dna technology that are not possible by traditional breeding programs?
The advantages of recombinant DNA technology that traditional breeding programs cannot provide are cross-species barriers that extend beyond domains.
Recombinant DNA technology has also been used to create vaccines and protein therapies such as human insulin, interferon, and human growth hormone. It is also used to make clotting factors for the treatment of haemophilia and in the research of gene therapy.
There are numerous applications for gene cloning. It has been particularly useful in mapping out the human genome, creating transgenic animals, and developing insect-resistant crops. It is also essential in genetic tests used in forensic science and archaeology, as well as tests used to determine hereditary disease and paternity. The technology also serves as the foundation for hepatitis and human immunodeficiency virus diagnostic tests.
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What is the source of the thermal energy that heats our planet's atmosphere?
Earth's core
Green plants
The Sun
Fossil Fuels
The characteristic that determines which generation in plants is dominant is the generation that.
The characteristic that determines which generation in plants is dominant is the generation that is diploid.
Diploid is a time period that refers to the presence of whole units of chromosomes in an organism's cells, with every discern contributing a chromosome to every pair. Humans are diploid, and maximum of the body's cells include 23 chromosomes pairs.
Humans have forty six chromosomes in every diploid cell. Among those, there are sex-figuring out chromosomes, and 22 pairs of autosomal, or non-sex, chromosomes. The general range of chromosomes in diploid cells is defined as 2n, that is two times the range of chromosomes in a haploid cell (n).
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which of the following terms refers to the process through which a drug can increase the enzymes produced by the liver? a. neural amplification b. metabolic termination c. psychotropic induction d. enzyme induction
The answer is d) Enzyme induction. It refers to the increase in the amount of enzyme protein as a result of some stimulus.
The enzyme repression refers to a decrease in enzyme after a stimulus. They are more frequently seen in bacterial enzyme control, but less frequently in vertebrate metabolism. Enzymes help to speed up chemical reactions in the human body. They are essential for breathing, food digestion, muscle and nerve functioning, among countless other processes. Each cell in the human body has a variety of enzymes. Enzymes can help the internal chemical processes of each cell. Since they are not harmed in the process, each enzyme can be recycled by a cell multiple times. Enzymes help with specific tasks that are necessary for the body to function and for general health.
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a retrotransposon known as line1 is about 1000 base pairs (bp) in length and is present in the human genome in about 516,000 copies. approximately what percentage of the human genome is accounted for by this transposon?
A retrotransposon known as line1 is about 1000 base pairs (bp) in length and is present in the human genome in about 516,000 copies about 17% of the human genome is accounted for by this transposon.
Let's start by mentioning that there are approximately 3,000,000,000,000,000 base pairs in the human genome.
Therefore, if this retrotransposon has 516,000 copies and is around 1,000 base pairs in size, it will ultimately produce 516,000,000 base pairs.
Let's consider,
516 million
--------------------- × 100
3000 million
= 17.2% (approximately 17%)
It provides us with a portion of the human genome that belongs to this transposon.
Transposable elements are DNA nucleic acid sequences that have the ability to move around the genome, occasionally causing or reversing mutations and changing a cell's genetic makeup and genome size. The same genetic material is duplicated frequently as a result of transpositions. Mutagens are transposons. Different mutations are possible in them.
A transposon has the ability to harm a gene when it inserts itself there. Gene activity can be disrupted or altered by insertions into exons, introns, or even the DNA around genes (which may contain promoters and enhancers).
The following three categories of transposons have been identified:
1. Class II transposons
2. Miniature inverted transposons (MITE or class III transposons)
3. Retrotransposons (class I transposons)
The complete question is:
A retrotransposon known as a line1 is about 1000 base pairs (bp) in length and is present in the human genome in about 516,000 copies. approximately what percentage of the human genome is accounted for by this transposon?
(A). 0.0017%
(B). 0.017%
(C). 0.17%
(D). 1.7%
(E). 17%
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there are currently many similar but distinct species (they can not mate with one another) on either side of the isthmus of panama, a geographic barrier that separates these species. this speciation probably resulted from:
That populations on opposite sides of the Isthmus are reproductively incompatible gives strong evidence that this is speciation by vicariance.
Vicariance refers to the geographical separation of two closely related species caused by a physical barrier, such as a mountain range or river. The separation of marine life on either side of Central America when the Isthmus of Panama closed 3 million years ago is an example of vicariance.
Speciation is the process through which an existing species in a population evolves into a new species or undergoes genetic change.
Because the DNA of each current species is identical to the species on the other side of the current Isthmus, seven species of snapping shrimp that are found on either side of the Panamanian isthmus give strong evidence that this is speciation by vicariance.
The complete question is:
There are currently many similar but distinct species (they can not mate with one another) on either side of the isthmus of Panama, a geographic barrier that separates these species. This speciation probably resulted from:
a. That populations on opposite sides of the Isthmus are reproductively incompatible.
b., The DNA of each current species is most similar to that of a species found on the opposite side of the current Isthmus.
c., The rate of evolution can be calculated because the populations have been separated for about 3 million years.
d., It takes about 3 million years for the accumulation of enough mutations to result in new species of snapping shrimp.
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photosynthesis and cellular respiration are often described in two ways: (1) they are chemically opposite; and (2) they have a relationship to each other. explain what these two statements mean
Photosynthesis and cellular respiration are chemically opposite because the products of one process are the reactants for another process and vice versa. Inter-related to each other, since photosynthesis produces glucose, which is used in cellular respiration.
1) Photosynthesis and cellular respiration are often described as been chemically opposite because the products of one process are the reactants for another process and vice versa. The reactants of cellular respiration are glucose and oxygen and these are the products of photosynthesis also. During the process of photosynthesis, plants take in carbon dioxide and water in the presence of sunlight to produce glucose and oxygen. And during cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water, which are the reactants of the photosynthesis.
2)Photosynthesis and cellular respiration are inter-related to each other, since photosynthesis produces glucose, which is used in cellular respiration to synthesis energy in the cells of living organisms. Thus, the glucose producing plants depend on the living organisms that carried out cellular respiration to produce carbon dioxide and water. And it is necessary reactants for photosynthesis process. The organisms having cellular respiration also depend on plants to produce glucose and oxygen for their use.
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these two protozoans are significant infectious agents in aids patients. group of answer choices toxoplasma gondii and cryptosporidium parvum balantidium coli and acanthamoeba acanthamoeba and naegleria toxoplasma gondii and acanthamoeba toxoplasma gondii and balantidium coli
Toxoplasma gondii and cryptosporidium parvum are two protozoans which are significant infectious agents in aids patients.
The two most prevalent intestinal protozoan parasites in people with acquired immunodeficiency syndrome (AIDS) are Isospora belli and Cryptosporidium parvum. The case definition for AIDS still only includes these two intestinal protozoan parasites. The three main opportunistic causes of systemic involvements reported in HIV-infected patients are leishmaniasis, strongyloidiasis, and toxoplasmosis. The most significant parasite infection linked to the central nervous system among these is toxoplasmosis. Toxoplasmosis is the only parasite disease that may cause both focal and disseminated forms due to its complicated nature, and it has been designated as an AIDS-defining infection.
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Which of the following events occurs in the light reactions of photosynthesis?
NADP+ is produced.
ATP is consumed to yield ADP.
Light is absorbed and funneled to reaction-center chlorophyll a.
Carbon dioxide is fixed in organic molecules.
option B Light is absorbed and funneled to reaction-center chlorophyll a.
occurs in the light reactions of photosynthesis.
Light energy is converted into chemical energy by light-dependent reactions. The goal of photosynthesis's light-dependent reactions is to collect energy from the sun and break down water molecules to produce ATP and NADPH. These two energy-storing molecules are then put to use in light-independent reactions.
Light reactions, also referred to as photolysis reactions, convert solar energy into chemical energy in the form of NADPH and ATP. These reactions must occur in the presence of light and in plant chloroplasts.
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some cancer cells are missing a key protein needed to repair double-strand dna breaks. they survive by relying on alternative dna repair mechanisms. to treat these cancers, researchers have developed drugs that do which of the following?
B) promote alternate DNA repair mechanisms in normal cells. Mutations in certain DNA repair mechanisms increase the vulnerability to different cancer forms.
While it is illogical to believe that stopping DNA repair processes could be a viable strategy for eliminating cancer cells, careful identification of DNA repair proteins that play essential roles in maintaining DNA integrity is a strategy that appears to have promise in the arsenal of cancer treatments.
Long recognized as a contributing element in the development of cancer, DNA damage. Erroneous DNA repair can result in mutations or chromosomal abnormalities that influence tumor suppressor and oncogene genes, causing aggressive development in cells. Cancer can be caused by genetic abnormalities. However, DNA damage continues to offer a crucial route for chemo and radiation, in addition to being a primary factor in the genesis of cancer.
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a Struggle where organisms fight for necessities of life where those suited to their environment will survive and reproduce definition
Natural selection is referred to as a struggle where organisms fight for necessities of life where those suited to their environment will survive and reproduce.
What is Environment?This is referred to as a sum total of all the living and non-living elements and their effects that influence life in an ecosystem.
Natural selection occurs when several types of changes occur in some members of a species of organism thereby resulting in them having an advantage over the others in terms of their daily activities. They are able to hunt or eat more food and are better adapted for mating which increases the reproductive rate.
They fight for necessities of life and those who are more suited to their environment will survive and reproduce while those who aren't will die out thereby making it the correct choice.
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if you were comparing the structures of fossils of extinct organisms, and had only fossil evidence available, which species concept could you use to distinguish different species from one another?
The biological notion of species is used to distinguish between species.
What is biological species concept?The biological species concept (BSC) was created to help people understand biological diversity, particularly the common observation that sexually reproducing organisms are not found in a continuum of forms but rather in more or less distinct phenotypic and genetic clusters.
The prezygotic and postzygotic barriers maintain species separation. These barriers, which take effect both before and after the development of a zygote, prevent creatures of different species from mating to generate fruitful offspring. These obstacles keep species' reproductive isolation in place.
Therefore, it is impossible to apply the biological species idea to long-extinct species for whom there are no longer any available reproductive data. Applying the biological species concept to groups for which little is known can also be challenging.
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what is the difference between a cooperative and a noncooperative game? part 2 the difference between a cooperative and a noncooperative game is that
In order to produce and capture value in unstructured interactions, agents compete and work together as coalitions in cooperative games. Non-cooperative games use a precise description of the actions and information that each agent can access to model the behaviors of agents and maximize their utility in a given procedure.
A formal cartel agreement, like OPEC, or a joint venture are examples of cooperative games. The race to secure a patent in research and development is an illustration of a non-cooperative game.
While non-cooperative game theory concentrates on the actions players should make logically, cooperative game theory concentrates on how much players can appropriate given the value each coalition of players can provide.
Cooperative games (co-op games) are a type of leisure or sport in which participants cooperate to accomplish a shared goal. A co-op game aims to place more of a focus on the social components of play or sport while lessening the emphasis on competitiveness. In contrast to cooperative games, non-cooperative games feature individual player competition, and alliances can only function there if they are self-enforcing (e.g. through credible threats).
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prisha knows her blood type is a, but sebastian does not know his blood type. however, sebastian knows that his mother and father both had blood type b. prisha and sebastian's first child is a boy with type o blood. based on this information, sebastian's blood type could be
Sebastian’s blood type can either be O or B from the given information
What is ABO blood grouping?
a method for classifying distinct types of human blood based on the presence or lack of certain markers on the surface of red blood cells. A, B, O, and AB are the four most common blood types.
Based on the presence or absence of the antigens A and B, which are carried on the surface of red blood cells, the classification is based on the inherited characteristics of red blood cells (erythrocytes).Prisha’s genotype is AO, and Sebastian's genotype is BO; thus, their kid expresses the phenotype of O.
Therefore Sebastian’s blood type can either be O or B from the given information
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how do prions differ from viruses? select all that apply. how do prions differ from viruses?select all that apply. unlike a virus, a prion is a single molecule. unlike viruses, prions are infectious proteins. unlike viruses, prions do not include any nucleic acids.
Prions differ from viruses as prions do not include any nucleic acids. Generally, prions are smaller than viruses and can only be seen through electron microscope when they have aggregated and formed a cluster.
How does prions differ from viruses?Viruses and bacteria are microorganisms that contain genetic material and they do not generate spontaneously. Prion disease is caused by a change in shape of a cellular protein and the resulting pathogenic prion proteins begin to recruit and change normal proteins into abnormal shape.
Infectious agents, prions were originally believed to be anomalous viruses, hence their inclusion here. They consist of only protein with no enclosed nucleic acid.
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