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belka [17]
2 years ago
10

What process ensures that organisms will have plenty of oxygen?

Biology
2 answers:
disa [49]2 years ago
7 0
The process of meiosis.
Digiron [165]2 years ago
6 0
Hello there...I'm not exactly sure but I think your answer would be B!
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In cocker spaniels, black color (b) is dominant over red (b), and solid color (S) is dominant over spotted (s).
Levart [38]

Answer:

<h2>e) 3/4 </h2>

Explanation:

As given;

Black (B) is dominant over red (b), so B is dominant over b.

Solid (S) is dominant over spotted color(s), so S is dominant over s.

Offspring of BBss and bbss individuals are:

Gametes of parent BBss are Bs, Bs and gamete of bbss are bs, bs

offspring are : all Bbss

Cross between these offspring is; Bbss×Bbss

Gametes of parent Bbss are: Bs and bs  as given that the genes are linked.

Bs, bs × Bb, bs

Offspring are = BBss, Bbss, Bbss, bbss

Black spotted (B_ss) = 3/4

3 0
3 years ago
Why does the earth have different layers?
Rudik [331]

Explanation:

because at is formed,the lighter part floats on the surface and the really heavy part (like iron and nickel in the core)sank to the middle

4 0
2 years ago
In a large population of plants, notches in the leaves are caused by a dominant allele N and lack of notches by a recessive alle
Jobisdone [24]

Answer:

C

Explanation:

If the population is in equilibrium, the allele frequencies will be constant.

There is nothing about the heritability of dominant or recessive alleles that make dominant ones any more likely by nature. This rules out choices A and B.

Genetic drift mentioned in D refers to alleles leaving a population. Nothing like this was mentioned in the question, so count that answer out.

C is the only remaining answer by process of elimination. It is also the most logical choice. Directional selection refers to a process of natural selection wherein extreme phenotypes (notched leaves, or non-notched leaves) are favored. In this case, there may be some external pressure causing notched leaf plants to be more evolutionarily fit, meaning that they survive long enough to reproduce more and increase allele frequency of the dominant allele.

5 0
3 years ago
A population of foxes inhabits a small forest. The size of the population is currently below the forest's carrying capacity for
lawyer [7]

Answer: an increase of food

Explanation:

6 0
2 years ago
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Explain the relationship of the structure of cell membrane molecules to the function of the cell membrane overall. You must disc
Vika [28.1K]
The answer is c because of the
6 0
2 years ago
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