2. (3 pts) Seals are thought to have evolved within a group of taxa, including today's weasels, whose common ancestor had weasel-like characteristics, and sea lions in a group of taxa, including bears, whose common ancestor had bear- like characteristics. Seals and sea lions are recognized as pinnipeds. Based upon this information, fill in the correct letters in the blanks below. Draw a tree diagram that illustrates these relationships. Bears are Pinnipeds are Sea lions are Seals are Weasels are A. monophyletic B. paraphyletic C. polyphyletic 3. (3 pts) How does the theory of sexual selection pertain to human mate choice patterns? What are the basic predictions of the theory with respect to what criteria males and females use when selecting mates?