Two species might have similar skeletal structures that have different functions. what do these types of structures suggest about the relationship between the two species?

Which of the following represents a negatively charged ion? of t 7

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Organisms that successfully adapt will leave to grownone of the above