Natural selection doesn't favor traits that are somehow inherently superior. Instead, it favors traits that are beneficial (that is, help an organism survive and reproduce more effectively than its peers) in a specific environment. Traits that are helpful in one environment might actually be harmful in another.
(one again, I hope this helps ^^)
It helps in metabolic processes like synthesis of lipid, phospholipids and steroids.
Answer:
One will eat humans and the other won't and their snouts an Alligator's snout is long and narrow and a Crocodile's snout is short and wide
Explanation:
D.
The farmer will choose what traits are most desirable. Basically, its like an arranged marriage. If you are the animal, and your father is the farmer, your father is picking who you marry. So the farmer just chooses who mates with who.
