Answer:
A sharks ecosystem should have a far and wide open waters and also should have salt water and no ordinary water. it should be around lots of fish so it has stuff to eat. last it needs to have other sharks to mate or keep the chain going.
Explanation:
Natural selection could not occur without environment, and a act on animal.
Answer:
Codominance- its a relationship ebtween two versions of a gene. If both allels are domiant, it's called codominance.
Explanation:
I suggest that you should try C......
