It is thought that brains first appeared about _____ million years ago.
A) 10
B) 50
C) 100
D) 500
Correct Answer:
Verified
Q4: The neural networks that are active during
Q5: Because early mammals were nocturnal, they mostly
Q6: Which of the following is NOT one
Q7: Although our human brain is only about
Q8: One approach to studying brain evolution and
Q10: Both bats and birds inherited forelimbs from
Q11: Around 2.4 million years ago, humans experienced
Q12: Even simple organisms such as single-cell protozoa
Q13: Mammals have evolved a brain structure different
Q14: Many neuroscientists view evolution in terms of
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