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antoniya [11.8K]
3 years ago
13

Does anybody know what this is please I’m giving out brainliest so help quickly:)

Biology
1 answer:
777dan777 [17]3 years ago
6 0

Answer:

I think it's A but I'm not completely sure

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How does the digestive system of poultry vary from other animals?
Vinvika [58]

Answer:

They digest without the use of teeth.

Explanation:

The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.

5 0
3 years ago
Why are cells so small? In your answer, use the terms volume, distance, diffusion, surface area, plasma membrane.
Leno4ka [110]

Answer:

Cells are so little, so they can maximize their ratio of surface area to volume.

Explanation:

Smaller cells have a higher ratio which allows more molecules and ions to move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.

4 0
2 years ago
Which type of blood vessel usually carries oxygen-rich blood
zalisa [80]

Answer:

Arteries

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Arteries are the blood vessels with thick walls and no valves. Blood is pumped with higher pressure from the heart into arteries. The pulmonary artery is the only exception that carries deoxygenated blood from the right ventricle to the lungs for oxygenation.  

5 0
3 years ago
A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down su
posledela

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D

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They are nerve cells
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