Answer:
Answer is D.
Explanation:
The first cleavage division can be explained or described as the series of first cellular division of the zygote after fertilization.
In this case, the process of recoiling of the shell of the snail can not be categorized as one of the examples at this stage.
Answer:
B
Explanation:
the structure is their serrated teeth & the function is tearing into their prey.
The diagram that would be used would be an energy pyramid.