Which is an example of using comparative anatomy to study evolutionary relationships? comparing and contrasting the DNA of two organisms
studying the digestive system structure in two organisms
using ancient footprints to learn about an organism’s behaviors
looking at the development of a fertilized egg of an organism

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

b) the inside picture would look at a very high temperature in a very low ph

a bird that nests only in a particular tree species.

answerbloodstream;