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masha68 [24]
3 years ago
9

When a female bird prefers to reproduce with males that have longer tail feathers, this is called?

Biology
1 answer:
Marianna [84]3 years ago
6 0
Sexuality selection?
<span>Sexual selection in birds concerns how birds have evolved a variety of mating behaviors, so this could be your answer.</span>

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Circulatory system summary
inna [77]

Answer:

The circulatory system or vascular system is an organ system that helps in the transport of the blood from and to the heart. The blood transport also takes oxygen, nutrients, hormones, and other components from the heart to the various part of the brain with the help of the arteries and carry waste such as carbon dioxide to the heart in veins.

The oxygenated blood enters in the left atrium and moves to the left ventricle to the aorta and starts its journey to the body whereas deoxygenated blood enters in the right upper chamber or right atrium of the heart and pump to the right lower chamber and to the lungs to carry the oxygen again. This process is a continuous process.

6 0
3 years ago
Fill in the blank below with the vocabulary word that best completes the sentence.
o-na [289]
Taxonomy is the classification of things; organisms.

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6 0
3 years ago
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Proteins are synthetic by the
bija089 [108]
They've constructed these proteins from beta-amino acids, which are distinct from the alpha-amino acids that compose natural proteins. Their synthetic proteins are as stable as natural ones, but provide a distinct advantage.
6 0
2 years ago
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Mee help right right now please
kipiarov [429]

Answer:

1) B - protein channel

2) D - to assist in the movement of substances across the membrane by facilitated diffusion or active transport

Explanation:

1) B is the answer because the proteins would travel through the protein channel to enter or leave the cell.

2) D is the answer because the channel allows protein molecules to pass through a selectively permeable cell membrane through active transport and facilitated diffusion.

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3 years ago
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The largest unit within which gene flow can readily occur is a
notka56 [123]

Answer:

a. population

Explanation:

Gene flow cannot occur in hybrids because 99.9% of the time hybrids offspring are not fertile.

At genus level is not possible either because a hybrid is a cross breed at the genus level (horse-donkey).

A population is a group of species of 1 kind. A population of donkeys.

5 0
2 years ago
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