Multiple Choice
Which of the following is NOT a credible hypothesis for the rapid diversification of Cambrian life?
A) sexual reproduction
B) shells evolved to repel predators
C) higher oxygen levels
D) development of the ozone layer
E) first toothed sharks
Correct Answer:
Verified
Correct Answer:
Verified
Q52: The Burgess shale and Chengjiang Biota are
Q53: Which of the following is NOT one
Q54: The oldest hominids that were definitely bipedal
Q55: Fossilized feces are termed _.<br>A)molds<br>B)amber<br>C)petrifactions<br>D)coprolites<br>E)vertebrates
Q56: Which of the following is NOT a
Q58: Molecular oxygen in the atmosphere originated mostly
Q59: What is volcanic outgassing and why is
Q60: The basic difference between gymnosperm and angiosperm
Q61: When did free oxygen appear on Earth
Q62: Few mammal species can survive in less