The synapsid lineage was the first amniote lineage to diversify,starting about __________ years ago.
A) 30,000
B) 475,000
C) 6.8 million
D) 320 million
E) 4.2 billion
Correct Answer:
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Q5: The only kind of therapsids to survive
Q6: _ glands are associated with hair follicles
Q7: The beginning of the "age of mammals"
Q8: The most accepted explanation for the mass
Q9: The coat of hair on mammals is
Q11: Opossums belong to the group of mammals
Q12: The secondary palate allows mammals to
A)chew while
Q13: _ glands are functional in female mammals
Q14: A common opening for excretory,reproductive,and digestive products
Q15: Which of the following animals does not
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