Which of the following cannot be used to determine if two organisms share a common ancestor? Group of answer choices

A. Fortune tellers

B. Homologous structures

C. Fossil records

D. Embryology

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

What is a group of organisms that are closely related and share similar characteristics

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .