Answer: Mostly due to alleles.
Explanation: ...
I think the answers are B and C. In the picture, you can see Carbon Dixoide being emitted into the atmosphere, which contributes to the photosynthesis and the formation of ATP to provide a source of energy.
A dichotomous key is created by scientist to identify objects and organisms.
Questions from a dichotomous key would be:
The fish have 1 eye or 2 eyes
Or if the alien have 2 heads or 1 head.
1 and 3 i think 3 is nerve system
The order of steps for the digestion of proteins will be;
In mechanical digestion, the teeth grind food and break it in to smaller parts.
Churning and the enzyme pepsin break down protein in the stomach
The pancreas releases enzymes trypsin and chymotrypsin
Tryspsin and chymotrypsin act on the proteins to break them down in the duodenum
Amino acids are absorbed by the capillaries in the Jejunum and lastly
The amino acids enter the blood stream and are circulated throughout the body.
