Multiple Choice
The mass extinction of 65 million years ago included
A) just the dinosaurs.
B) only land animals.
C) large land animals,many plants,and much of the ocean's plankton.
D) most of the primates except our ancestors.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The earth's continents drift because<br>A)they are actually
Q3: Some of the earliest fossils indicate that
Q4: The extinction that wiped out the dinosaurs
Q5: Sexual reproduction probably evolved<br>A)to increase genetic variation.<br>B)to
Q6: At the time the earth was formed,the
Q8: Most of the history of life on
Q9: The universe<br>A)has always been the same size
Q10: Multicellular organisms first appear<br>A)3.6 billion years ago.<br>B)2
Q11: The sudden appearance of organisms with shells
Q12: Photosynthesis is<br>A)a process found only among modern