Analyse and evaluate the information you have found about dolphins and dogfish to explain the implications of using only physical characteristics to classify organisms.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Describe the two types of vascular tissue