Answer:
B.
Explanation:
Egyptian plovers and crocodiles have a unique symbiotic relationship. Crocodiles can’t use dental floss, they get food stuck in their teeth. All that food rots their teeth and probably causes some pain. When a crocodile feels the need for a good tooth cleaning it will sit with its mouth wide open. The Egyptian plover bird sees the invitation, and if one is nearby it will fly into the mouth of the crocodile, eat the food stuck in its teeth, and fly away unharmed.
3. Apply Concepts Write a brief expla-
nation for the results in the table
using information about phenotypes
and genotypes in blood group
genes.
In the blood group systems, the phenotypes largely depend on the genotype.
A phenotype is an observable trait of an organism, which depends on the genotype, environment, or both.For example, the blood group system ABO is dependent on the presence of certain antigens on the surface of blood cells.In this system, A and B are codominant alleles, whereas O is recessive and therefore it is not expressed in heterozygous individuals.In conclusion, in the blood group systems, the phenotypes largely depend on the genotype.
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In the blood group system, the concept of Co-dominance is applied, where the phenotypes depend on the genotypes.
What do you mean by Phenotypes?Phenotypes may be defined as the appearance or the manifestation of characters. Phenotypes are also known as traits.
Co-dominance is a condition where both alleles in heterozygous conditions give visible expression. ABO blood group system in humans depends on certain antigens on the surface of blood cells. Alleles A and B are co-dominant while allele O is recessive.
Therefore, in the blood group system, the concept of Co-dominance is applied, where the phenotypes depend on the genotypes.
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Which of these is an example of an environment in which natural selection would not occur?
Group of answer choices
A. There is genetic diversity in the population due to mutation and/or sexual reproduction.
B.All offspring have the same chance of survival.
C. Offspring inherit beneficial and detrimental traits from parents.
D. Some offspring have a physical trait that helps the organism compete more successfully.
An example of an environment in which natural selection would not occur is a place where all offspring have the same chance of survival. Thus, the correct option for this question is B.
What is Natural selection?Natural selection may be defined as a type of strategy or process in nature through which organisms particularly gets better adapted to their environment and tend to survive and reproduce more than those less adapted to their environment.
Genetic diversity always favors the process of natural selection to occur. And this genetic diversity is generally induced by evolutionary forces like genetic drift, mutation, migration, etc.
Apart from this, offspring inherit beneficial and detrimental traits from parents and offspring have a physical trait that helps the organism compete more successfully and are also more prone to natural selection.
Therefore, an example of an environment in which natural selection would not occur is a place where all offspring have the same chance of survival. Thus, the correct option for this question is B.
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when scientists talk about something's nature, they are talking about its
nurture
acquired traits
inherited traits
combined inherited and acquired traits
Which of the following is/are true about energy? (Select all that apply)
energy is only found in fuels
energy cannot be recycled
energy is never destroyed
energy changes form
Answer:
1 is wrong. 2 is right. 3 is true. 4 is true.
Explanation:
Describe the scales that scientists use to measure the magnitude of an earthquake
Answer:
the ritcher scale the mercalli scale magnitude scale
There are 20 naturally occurring amino acids, therefore, there are only 20 mRNA codons. True or false
Answer:
False. There are 20 amino acids, but 64 possible codons.
Explanation:
Genetic information for the aminoacids assembly during the protein synthesis is stored in short sequences of three nucleotides named codons in the mRNA. Each of the codons represents one of the 20 amino acids used to build the protein. The total number of possible codons is 64, from which 61 codify amino acids -more than one codon codify for the same amino acid-. One of these amino acids is also the start point of protein synthesis. And the left three codons are stopping translation points.
The codons indicating the initiation or stop points during the translation process are:
• The start codon AUG is the most common sequence used by eukaryotic cells and places near the 5´extreme of the molecule. However, other codons might be used as well. Prokaryote cells might use the codons GUG or UUG.
• The end codons are UAA, UAG, UGA.
Which statement describes the proper procedure for identifying an organism by using a dichotomous key?
Explanation:
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".
A third-level consumer must be which type?
Carnivore
Herbivore
Producer
Decomposer
Answer:
i think answer is producer
If we were using this pedigree chart to track a disease in a family, what would half shaded boxes represent?
A. Non-carrier of the disease
B. Carrier of the disease
Mendel based his conclusions on his understanding of meiosis.
a. FALSE
b. TRUE
Transcription is the process of:
a. mRNA being decoded into proteins
b. DNA being duplicated
DNA being copied into mRNA
d. mRNA being copied into DNA
1. In 1970, the U.S. Congress established The Environmental Protection Agency (EPA) to oversee all of the following, EXCEPT: *
A.pollution problems
B.building new nuclear power plants
C.establish new environmental policies
D.research solutions to environmental issues
Answer:
B
Explanation:
How are glaciations related to Earth's position in a Milankovitch cycle
Answer:
The Milankovitch Theory explains the 3 cyclical changes in Earth's orbit and tilt that cause the climate fluctuations occurring over tens of thousands of years to hundreds of thousands of years. ... When the orbit is more elliptical, glaciation is affected by the time of year (season) that Earth is closest to the sun.
Explanation:
If the earth is like a car, then the greenhouse gases are like the what
Explanation:
The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. ... At night, Earth's surface cools, releasing heat back into the air.
Which of the following is one way that humans can protect biodiversity?
Como se chama a transferencia de enrgia termica flui de um corpo com maior temperatura quando ao outro de menor temperatura quando ha diferença de temperatura entre ambos
Answer:
Conduction.
Explanation:
Conduction is the process in which heat energy is transferred from the hotter body towards colder body because of temperature difference between two bodies. Conduction occurs only due to physical contact between two bodies. In the conduction process, the thermal energy flows from a body with a higher temperature to the other body having lower temperature until both bodies having same temperature.
what cause cells to function differently
Answer:
They have different roles
Explanation:
why is carbon dioxide required for photosynthesis
Answer:
Carbon dioxide is necessary for photosynthesis because plants make their food only in the presence of carbon dioxide
I hope this will help you :)
Which were likely the closest to early animals?
A.) Mosses
B.) Colonial protists
C.) Algae
it's colonial protists im pretty sure
If fertilization occurs which hormone triggers the thickening of the endometrium
a.estrogen
b.progesterone
Answer: B. Progesterone
Explanation: trust me;)
Explain the four main principles of natural selection
Answer:
Reproduction: Individuals mate to produce the next generation.
Individual variation: Individuals differ in various characteristics.
Different needs: What helps one survive does not always help another.
Resource competition: There are limited resources desired by other individuals and species.
Explanation:
For recessive trait to be expressed you need to receive the allele from both parents. True or false
Answer:
When a trait is recessive, an individual must have two copies of a recessive allele to express the trait.
The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the
lithosphere, hydrosphere, and biosphere. Order the steps above into a logical sequence that might represent steps in
the phosphorus cycle.
A)
111, 111, IV, V, VI.
B)
1. II. IV. IIIVVI
C)
IV. HII VIIVI
D)
II IV V VI
his plant likes to grow in an upward direction and will often grow on other plants. Due to its length it must have a way to hold on as it grows so it does not fall.
Which of the following describes the practice of public lands ranching? O Public lands ranching is increasingly uncommon because of the use of ranchlands for urban development. O Public lands ranching is regulated by the Grasslands Reserve Program. O Public lands ranching is permitted on areas owned by the Bureau of Land Management. O Public lands ranching is more common in the eastern United States.
Answer:
public lands ranching is permitted on areas owned by the Bureau of Land Management.
Explanation:
this had four stars on some other answer soooo. :/
Each chromosome consists of 2 _____.
Answer:
each chromosome consists of 2 chromatids
Cuando se excita una neurona con estímulos de intensidad creciente se obtiene, a partir del umbral, la misma respuesta eléctrica. En esta situación se pone de manifiesto la característica de: *
A) ley del todo o nada.
B) período refractario relativo.
C) período refractario absoluto.
D) excitabilidad.
E) umbral de excitación.
Answer:
d) excitabilidad
Explanation:
creo que seria esa no lo sé
no se mucho de eso
me dices si sale buena o mala
What is the purpose of the digestive system?
1. Create energy
2. Swallow food
3. Break down food so nutrients can be absorbed
Answer:
3. Break down food so nutrients can be absorbed
Explanation:
the reasoning is when you digest something your body is breaking down the food into small chuncks so that the nutrients can be absorbed easier
A man is HH for a trait, while his wife is hh. What will their children
Explanation:
I hope what I have drawn on the picture will help you understand:)
Biology - Genetics
Click on a word in the puzzle to see the clue
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Answer:
what type of question it is