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Question 1 = B

Question 1 = B. Question 2 = B. Question 3 = D. Question 4 = D. Question 5 = D. Question 6 = C. On a phylogenetic tree, what happened at a ‘node’? A) an ancestral species gained a new adaptation B) an ancestral species failed to evolve

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Question 1 = B

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  1. Question 1 = B

  2. Question 2 = B

  3. Question 3 = D

  4. Question 4 = D

  5. Question 5 = D

  6. Question 6 = C • On a phylogenetic tree, what happened at a ‘node’? • A) an ancestral species gained a new adaptation • B) an ancestral species failed to evolve • C) speciation (i.e., an ancestral species split into two descendant lineages)

  7. Question 7 = D • According to the tree at the left • A) seals are ancestral to horses • B) whales are the most evolved of the taxa shown • C) horses evolved into giraffes • D) none of the above

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