Author Question: The first Homo sapiens appeared between _________ years ago. a. 4 million and 5 million b. 1 ... (Read 89 times)

lak

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The first Homo sapiens appeared between _________ years ago.
 
  a. 4 million and 5 million
  b. 1 million and 2 million
 c. 300,000 and 500,000
 d. 100,000 and200,000

Question 2

Among chordates, early brains have _________ than later developing brains.
 
  a. larger cerebellums
 b. more convoluted cortices
 c. larger olfactory bulbs
 d. smaller cerebellums and less convoluted cortices



laurnthompson

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Answer to Question 1

d

Answer to Question 2

a



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