1. All thriving things need energy in order to defend themselves (escape danger) and perform functions such as growth, maintaining balance, repair, reproduction, movement.
Sorry, I don't completely understand the second one
The most abundant element is oxygen...found in the crust and in the atmosphere.
2 would be A because fertilization is where the sperm cell and egg unite. 3 would be C because in the picture you can see how the division is occuring.
The first one is to absorb calcium.
second question: I THINK poor wound healing
Latitude is not a factor in marine life divisions.