A. when evaluating a source for reliability, if they are talking about a product from a company that sponsors them they may not be honest, or if they are sponsored by a reliable company they can be trusted it depends what way you look at it.
It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
Answer:
the answer to this question is choice D
Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density
