The Mesozoic era lasted from about:
A) 65 million years ago to 2 million years ago
B) 500 million years ago to 250 million years ago
C) 250 million years ago to 65 million years ago
D) 540 million years ago to 250 million years ago
E) One billion years ago to 500 million years ago
Correct Answer:
Verified
Q32: Placental mammals appeared during the:
A)Triassic period
B)Jurassic period
C)Cretaceous
Q33: The Burgess Shale fossils are from the:
A)Ordovician
Q34: The first vertebrates to leave fossil evidence,jawless
Q35: The first amphibians appeared during the:
A)Cambrian period
B)Ordovician
Q36: The mass extinctions of the Permian period:
A)Paved
Q38: The amniote egg in which an embryo
Q39: The "Age of Dinosaurs" lasted about 120
Q40: The first flowering plants,first true mammals,and first
Q41: The three groups in the primate lineage
Q42: How is the ability of phospholipids to
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