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Iteru [2.4K]
3 years ago
8

How does taxonomy help us understand relationships among organisms on earth? What kinds of evidence do scientists use in taxonom

y?
Biology
1 answer:
ycow [4]3 years ago
6 0
Taxonomy helps us understand relationships among organisms on earth because you can produce a genetic tree diagram which starts from present day animals and goes back to the first early life forms. Scientists will use living organisms and extinct organisms either from fossils, from drawings or from photographs
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I’m having trouble understanding this can someone plz explain?
Leni [432]

Answer:

look at the pictures

Explanation:

1. If we cross the parental generation which is RR x rr, the probability of the F1 generation to get  rough coat is 100% and they will be a carrier of the recessive trait smooth coat.

Since the phenotypic ratio is 100% heterozygous Rr, in crossing the F1 to get the F2, we will use the genotype Rr. To get the F2, use the cross  Rr x Rr.

The phenotypic ration for F2 is 3:1. There is 75% to get rough coat and 25% smooth. The answer is based on the result on the Punnett square. On the other hand, the genotypic ratio is 1:2:1. There is 25% probability to get RR genotype, 50% Rr, and 25% rr.

2. Since the two parental mice got 6 albino offspring and 5 brown mice offspring, it is approximately 50%. it takes a parental mice who is Brown that is carrying an albino trait crossed with an albino to get offspring with almost the same number. Therefore, the genotype of the brown mice is Aa.

8 0
2 years ago
3. All of the organic molecules are based on which element?
Ulleksa [173]

Answer:

<h2><u>Carbon</u><u>.</u><u> </u></h2>

Explanation:

<em>Life is based on carbon; organic chemistry studies compounds in which carbon is a central element. The properties of carbon make it the backbone of the organic molecules which form living matter. Carbon is a such a versatile element because it can form four covalent bonds.</em>

<h3><em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em><em><u> </u></em><em><u>you</u></em><em><u>⚛</u></em><em><u>.</u></em></h3>

<em><u>Thanks</u></em><em><u>☸</u></em><em><u>.</u></em>

7 0
3 years ago
PLZ HELP
My name is Ann [436]

Answer:

Dispersal fundamentally influences spatial population dynamics but little is known about dispersal variation in landscapes where spatial heterogeneity is generated predominantly by disturbance and succession. We tested the hypothesis that habitat succession following fire inhibits dispersal, leading to declines over time in genetic diversity in the early successional gecko Nephrurus stellatus.

Explanation:

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3 years ago
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Any substance that triggers an immune response is a(n)
aleksandr82 [10.1K]
Any substance that triggers an immune response is an antigen(s).
8 0
3 years ago
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What does rna sequence look like
Sholpan [36]
Theres your answer look at the photo

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3 years ago
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