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Sav [38]
3 years ago
15

Why do the cardiovascular and respiratory system depend on eachother?

Biology
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:

to circulate blood and oxygen throughout the body

Explanation:

air moves in and out the lungs through the trachea, bronchi, and bronchioles. blood moved in and out the lungs through the pulmonary arteries and veins that connect to the heart

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What's the phenotype percentages
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Explanation:

There's no reason I can see for it not to be. The offsprings are going to be half red/white and half white. Phenotype is basically what you can actually see, it comes from the greek word phenomaí which means "i look like" (from a brief translation).

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I would say that your answer would be A.) seeds. Plants don't even have reproductive organs, so that answer would be a definite no. Pollen and nectar comes from both trees and flowers, not fruit. So, that would make your answer seeds.

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3 years ago
Why is it important for dna replication to occur before mitosis?
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