In the late Precambrian,the first _______ evolved.
A) vascular plants
B) multicellular eukaryotes
C) jawed fish
D) photosynthetic bacteria
E) insects
Correct Answer:
Verified
Q59: All of the animals living at a
Q60: At normal levels of oxygen,selection is _
Q61: Which statement about the Cambrian is false?
A)
Q62: Which of the following represents the correct
Q63: You are investigating a Triassic fossil bed.What
Q65: Vascular plants first appeared during the
A) Silurian.
B)
Q66: The first flying animals were _,which first
Q67: The Cenozoic era began about _ years
Q67: The current geological period is the
A) Tertiary.
B)
Q69: Which statement about the Cambrian is true?
A)
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