Biology Exam 10a ssil? 35. Which of the following is NOT an example of a o Blolo
ID: 303363 • Letter: B
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Biology Exam 10a ssil? 35. Which of the following is NOT an example of a o Blology (A) a hardened footprint left by an animal (B) an insect trapped in amber Student N (C) a petrified plant (D) an ancient rock found in a dry riverbed Answer 36, Elephant fingers and human fingers are probably the result of 43. A. (A) divergent evolution. (B) disruptive evolution C) convergent evolution. (D) Lamarckian evolution Two species evolve in such a close relationship with each other that the cvo 37. one species affects the evolution of the other species. This is called (B) coevolution. (D) gradualism. (A) adaptive radiation. (C) convergent evolution. 38. Which of the following statements about primates is NOT true? (A) All primates typically have five digits on each hand and foot. (B) All primates rely more on vision and less on their sense of smell. (C) Primates tend to have large brains in relation to their body size. (D) Primates usually give birth to one offspring at a time. Scientists believe that Homo neanderthalensis appeared about (A) 200,000 years ago. (B) 2 million years ago. (C) 10,000 years ago. (D) 1.4 million years ago. Biologists believe modern apes (A) are the ancestors of humans. (B) share a common ancestor with humans (C) are descended from humans. (D) are not related to humans. Species A has a breeding call that is completely different from Species B.This difference in breeding call leads to (A) prezygotic isolation. (B) postzygotic isolation. (C) coevolution 39. 40, - 41· (D) sympatric speciation. Two species of similar-looking insects have the same coloration, although one is 42. poisonous and the other is not. This is likely an example of (A) an analogous structure. (B) a homologous structure. C) camouflage. (D) mimicryExplanation / Answer
35) D ( fossils are the remains that are preserved for a longer period of time. Eg- bones, footprints etc)
36) A ( digits & appendages of human , elephant & other primates are homologous structures)
37) B
38) D ( Primates can give birth to more than one but not like egg laying animals)
39) B ( it dates back to 2.4 million)
40) B (recent studies found that humans shares common ancestors with apes)
41) D ( This difference in call leads to speciation leading to isolation within the same geographic area)
42) A ( when two structures looking same have different works or are different is called analogous structure which gives rise to convergent evolution )
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