3d Chordates Pt 4 – Flashcards

34) May have lungs, or gills, and may use skin as a respiratory surface a. amphibians b. nonbird reptiles c. chondrichthyans d. mammals e. birds

35) Which are the most abundant and diverse of the extant vertebrates? a. ray-finned fishes b. birds c. amphibians d. nonbird reptiles e. mammals

36) Humans and apes are presently classified in the same category as all of the following levels Except a. class. b. genus. c. kingdom. d. order. e. phylum.

37) Which of the following are considered hominoids? a. lorises b. lemurs c. monkeys d. orangutans e. tarsiers

38) With which of the following statements would a biologist be most inclined to agree? a. Humans and apes represent divergent lines of evolution from a common ancestor. b. Humans evolved from New World monkeys. c. Humans have stopped evolving and now represent the pinnacle of evolution. d. Humans evolved from chimpanzees. e. Humans and apes are the result of disruptive selection in a species of gorilla.

39) Which of these statements about human evolution is correct? a. The ancestors of Homo sapiens were chimpanzees. b. Human evolution has proceeded in an orderly fashion from an ancestral anthropoid to Homo sapiens. c. The evolution of upright posture and enlarged brain occurred simultaneously. d. Different species of the genus Homo have coexisted at various times throughout hominin evolution. e. Mitochondrial DNA analysis indicates that modern humans are genetically very similar to Neanderthals.

40) Which is a genus that has only one extant species? a. hominoids b. Homo c. anthropoids d. hominins e. primates

41) Vertebrates and tunicates share a. jaws adapted for feeding. b. a high degree of cephalization. c. the formation of structures from the neural crest. d. an endoskeleton that includes a skull. e. a notochord and a dorsal, hollow nerve cord.

42) Mammals and living birds share all of the following characteristics except a. endothermy. b. descent from a common amniotic ancestor. c. a dorsal, hollow nerve cord. d. an archosaur common ancestor. e. an amniotic egg.

43) Unlike eutherians, both monotremes and marsupials a. lack nipples. b. have some embryonic development outside the mother's uterus. c. lay eggs. d. are found in Australia and Africa. e. include only insectivores and herbivores.