Answer:
Oviparity is a pattern in which females deposit eggs that develop and hatch in the external environment. Producing young by means of eggs which are hatched after they have been laid by the parent, as in birds.
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Describe the relationship among the agents of disease, the infectious dose, and the health of a host.
Answer: Parasitism, where only an organism benifts while hurting the other, or Commensilism when treating genetic disorders.
Explanation:
Diseases mostly hurt an organism, but in some cases they can be used to treat genetic disorders so Parasitism and Commensalism can be used depending on the question. But an infectious dose to a healthy host will cause illness or minor setbacks to the organism.
What is the difference between an element and a compound?
1. Compounds are only fat in the earth
2. Elements never use capital letters and compounds do
3. Compound to makes up all masses
4. Elements cannot be broken down into another substance
Answer:
Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.
Explanation:
Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.
Answer:
4) Elements cannot be broken down into another substance
Explanation:
Compounds are made up of multiple elements (different or same element). Whereas, elements are made up of single type of atoms. Water is a compound which can be broken down into Hydrogen and oxygen using chemical reactions whereas, you cannot break elements down into another substance.
help me !! …………… …….
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Acids are identified by hydrogen or hydroxide?
Answer:
An acid is a substance that donates hydrogen ions. Because of this, when an acid is dissolved in water, the balance between hydrogen ions and hydroxide ions is shifted. Now there are more hydrogen ions than hydroxide ions in the solution. This kind of solution is acidic.
Explanation:
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Cross an individual who is heterozygous for baldness with one who is hom0zygous recessive. If the children were all boys, what would the phenotypic ratio for the above cross be? What would the phenotypic ratio be if they were all girls?
Kelp forests are unique and diverse coastal ecosystems in the ocean. How would a
decrease in biodiversity in these ecosystems, due to changing climate, affect the larger biosphere? please help!!!
Explanation:
Kelp forests are the anchor of nearshore ocean wildlife communities across the U.S. West Coast and northeast, sustaining marine biodiversity by providing shelter, habitat and even food for an array of fish and invertebrates.
You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives regular water. After a two-week period, the height is measured.
An experiment was designed to test the effect of ultraviolet light on the growth of mold spores. A sample of mold spores was divided into two groups. The groups were grown under the same conditions, except that group A was exposed only to ultraviolet light and group B was grown in total darkness. What is the purpose of group B being grown in total darkness?
To limit bias
It is the dependent variable
It is the control group
To add an alternative variable
Answer:
C
Explanation:
HELP RIGHT NOW PLZZZZZZZZZ
Proteins make genes. True or False? Why?
Answer:
False
Explanation:
Because Genes make protein
But the genes in your DNA don't make protein directly. Instead, special proteins called enzymes read and copy (or "transcribe") the DNA code. The segment of DNA to be transcribed gets "unzipped" by an enzyme, which uses the DNA as a template to build a single-stranded molecule of RNA. Like DNA, RNA is a long strand of nucleotides.
This transcribed RNA is called messenger RNA, or mRNA for short, because it leaves the nucleus and travels out into the cytoplasm of the cell. There, protein factories called ribosomes translate the mRNA code and use it to make the protein specified in the DNA recipe.
If all this sounds confusing, just remember: DNA is used to make RNA, then RNA is used to make proteins-and proteins run the show.
The Cell's Secret Code
Some genes act as instructions to make molecules called proteins.
Answer:
False.
Explanation:
Since genes make protein
But proteins are not directly formed by the genes in your DNA. Instead, the DNA code is read and copied (or transcribed) by special proteins called enzymes. An enzyme that uses DNA as a template in order to build a single-stranded RNA molecule "disconnects" the DNA segment being transcribed. RNA is an extensive nucleotide beam, like DNA.
The messenger RNA, or mRNA, is for short transcribed, as it leaves the nucleus and moves into the cell's cytoplasm. The mRNA code is translated in protein plants named ribosomes and used to produce the protein specified in the DNA recipe.
If everything sounds confusing, just remember: RNA is made using DNA, and the proteins are being used as a show by RNA.
The Secret Code of Cell
Certain genes are used to make protein molecules.
In horses, the allele for a bay coat (brown with black mane, tail, and legs) and the allele for a cream coat can combine to make a
buckskin coat. The allele c is used for bay: CC is used for cream. Buckskin horses have one bay and one cream allele. The
genotype cc makes a buckskin coat, as neither allele is dominant. Cross a bay stallion (father) with a buckskin mare (mother).
How many offspring will have the same phenotypes as the mother.
Please help me
Answer:
100%
Explanation:
By crossing a bay stallion with a buckskin mare, 100% of offspring will have the same phenotypes as the mother (i.e., buckskin mare).
An allele is a gene variant, diploid organisms (like horses) inherit two alleles for a given gene locus, one allele from the mother and another from the father.In complete dominance, the dominant allele completely masks the expression of the recessive allele in heterozygous individuals.In codominance, both alleles are expressed in order to produce a given phenotype.In conclusion, by crossing a bay stallion with a buckskin mare, 100% of offspring will have the same phenotypes as the mother (i.e., buckskin mare).
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1. Genes always follow Mendel’s rules of inheritance (true/false)
2. Predators kill prey,but are not harmful to the prey population(true/false)
3.Food webs are better at showing relationships in an ecosystem than food chains(true/false)
4. There are other producers besides plants (true/false)
5. Changes in the frequency of different alleles can happen because of mutation,gene flow, and genetic drift(true/false)
6. All mutations are beneficial because they bring about genetic variations and differences (true/false)
7. Natural selection makes sure that an individual can adapt and evolve.(true/false)
8. An animal cells only method of creating energy is through cellular respiration while a plant is only able to create energy through photosynthesis (true/false)
9. Bone cells, skin cells, red blood cells, and nerve cells all have the exact same DNA within your body(true/false)
10. Evolution has made our bodies perfectly fit for our current environments (true/false)
Answer:
Explanation:
1 false
2 true
3 true
4 false
5 false
6 true
7 false
8 true
9 true
10 false
How many protons,electrons and neutrons are in a neutral atom with an atomic number of 35 and an atomic mass number of 81 contains?
Answer: the number of protons is 35 because the number of protons is equal to the atomic number which is equal to the number of electrons hence no need to waste your time on that.
Neutrons is the atomic mass - protons
81-35=46.
From my above explanation the number of electrons is equal to 35.
Explanation:
I NEED HELP PLEASE!
Answer:
The phenotypic ratio of this crossing is 9:3:3:1 whereas the genotypic ratio is 1:2:1:2:4:2:1:2:1.
Explanation:
If we cross red color organism with the yellow color organism, the phenotypic ratio of this crossing is 9:3:3:1 whereas the genotypic ratio is 1:2:1:2:4:2:1:2:1. In the F1 generation, all offspring are identical to each other means that all offspring resembles to male parent due to the presence of dominant allele while on the other hand, in the F2 generation, the ratio is 9:3:3:1 in which 9 ratio represents male parent, 1 represents female parent and the middle 3 represents hybrid which is different from their parents.
List 3 examples of something that have evolved over time.
Answer:
peppered moth- became darker because of pollution
darwins finches- beaks became smaller over time to eat the smaller nuts/seeds left
deer mice- became lighter being as their surroundings changed/ones that moved from forrests
Answer:
Peppered mothDarwin's finchesDeer miceExplanation:
These are the 3 examples of something that have evolved over time.
Which part of the digestive system food nutrients move into the blood by diffusion
Answer:
Small Intestine
Explanation:
Genes are strands of
found on chromosomes in the nucleus of a living cell.
A
mutations
B
DNA
C
minerals
D
cells
Answer:
b)DNA is the correct answer
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what does a tortoise covering body do for it?
Answer:
Protection
Explanation:
Tortoises, especially babies, can become easy prey. Because of how small they are when they are young and how slow they are when trying to escape it makes them an easy meal. Their shells protect them from anything trying to crush or eat it.
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Conservationists help to restore ecosystems. Which activity will positively affect the abiotic conditions of an ecosystem?
A.
Keeping lakes and rivers free of pollution.
B.
Planting new trees to provide food for animals.
C.
Monitoring the ecosystem for bacterial pathogens that can cause illness.
D.
Mating endangered animals in captivity and restoring them to their natural habitat.
ALL mutations have an effect on the protein.
A. True
B. False
Answer:
B. False
Explanation:
No; only a small percentage of variants cause genetic disorders—most have no impact on health or development. For example, some variants alter a gene's DNA sequence but do not change the function of the protein made from the gene.
Answer:
False
Explanation:
Only a small percentage cause genetic disorders.
You spill a little water on a tile floor but do not have time to wipe it up. A few hours later, most of the water is gone. What happened to the water
Answer:
The water molecules became a gas, and are now bonded with the air. (Evaporation)
Explanation:
Answer:
It evaporated.
Explanation:
Evaporation is the process by which water changes from a liquid to a gas or vapor.
13 POINTS MY DUDES! AND NO LINKS OBVIOUSLY!!!
In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probability of a moth being black?
A. 2%
B. 49%
C. 16%
D. 35%
Answer:
D
Explanation:
34/96= 35%
The mathematical rule of three can be used to take probabilities. In the exposed example, the approximate probability of a moth being black is 35% (Option D).
------------------------
Available data:
47 moths are brown15 moths are yellow34 moths are blackThe total number of individuals in this population equals the addition of brown, yellow, and black individuals.
This total number of individuals equals 100% of the population.
So to get the probability of a moth being black, we can just perform a rule of three.
To do it, we need to get the percentage of black individuals in the current population.
96 moths ------------------------- 100% population
34 black moths ----------------- X= (34 x 100) / 96
=35.41 ≅ 35% of the population
The approximate probability of a moth being black is 35%.
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define sublimation
Answer:
Explanation:
its where u turn a object in it's solid state directly to gas, without it entering the liquid state
1. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
»» (c) Biological names can be written in any language.
EXPLANATION:➱ Biological names are derived either from Latin language or are latinised. This is because Latin language is a dead language and therefore it will not change in form or spellings with the passage of time.
How can black hole be destroyed?
Answer:
Eventually, in theory, black holes will evaporate through Hawking radiation. But it would take much longer than the entire age of the universe for most black holes we know about to significantly evaporate.
Explanation:
5. Cutting down trees in a forest alters the habitat of the organisms living in the forest.
True OR False
Answer:
true
Explanation:
i know things
Cutting down trees in a forest alters the habitat of the organisms living in the forest. The given statement is true.
What is habitat?
Habitat is known as the place where the animals lives and survive the place is known as the habitat. Cutting down the trees is known as the deforestation. The term migration has been defined as when the birds, animals, or human beings leaves the native place and move towards a new place due to weather or other physical condition is known as migration. Generally, when it is too much cold the birds of that particular area migrated to the place where they found suitable temperature for their survival.
The stage of dormancy is the stage when seed gets closed and not able to germinate as it closes its outer wall. The term hibernation is defined as the particular time period in which the organism hybernate himself for a period of time when the weather or the outer environment is not safe, or fit for his survival.Generally, when it is too much cold the birds of that particular area migrated to the place where they found suitable temperature for their survival.
Therefore, Cutting down trees in a forest alters the habitat of the organisms living in the forest. The given statement is true.
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plz help I need this done by Monday
Answer:
Explanation:
answer is sex cells
In this part of the laboratory exercise, you will learn how to read a weather station model. Using your Earth Science Reference Tables, fill in the data tables below each station model.
Answer:
welp, hope he helps you sir!
Explanation:
Every organism requires a set of instructions that specifies its traits. This information is carried with the cells of the organism. Which set of statements BEST describes hereditary information in eukaryotic cells? Group of answer choices
Answer:
This question lacks options, the options are;
A. Genes are made up of chromosomes and both are found in the cell’s cytoplasm.
B. Chromosomes are made up of genes and both are found in the cell’s cytoplasm.
C. Genes are made up of chromosomes and both are found in the cell’s nucleus.
D. Chromosomes are made up of genes and both are found in the cell’s nucleus.
The correct answer is D.
Explanation:
As rightly stated in this question, every living organism requires a set of instructions that specifies its traits. These set of instructions are embedded in a unit called GENE. Genes hold information needed for the survival of a cell in an organism.
These genes are located on a structure called DNA, which are folded or packaged into another structure called CHROMOSOMES. Each chromosome, hence, contains genes that are the unit of inheritance of a cell. In eukaryotic organisms, the gene is found on a chromosome, which is located in the NUCLEUS of the cell.
I really need help, can someone answer for me?
Answer:
there would be more food for the foxes so their population would increase
So it's the first one