In which we explore hominin diversity.
A. describe the evidence that suggests hominins did not evolve in a straight line leading directly to our species.
In which we explore invertebrate diversity.
A. describe how a hydrostatic skeleton helps an animal keep its shape and move.
In which we discuss tracing evolutionary history.
A. Describe how radiometric dating and the relative position of a fossil within a rock strata are used to determine the age of rocks and thus the age of the fossil.
In which we discuss tracing the origins of species.
A. Describe the circumstances that led to the adaptive radiation of the Galapogos finches.
I need brief answers per problem. They do not need variety information. 3 or 4 sentences are fine.