Multiple Choice
Which of the following statements accurately describes the effect of the Permian and Cretaceous extinctions on the percentage of prey organisms in marine environments?
A) After the Permian and Cretaceous extinctions, the percentages of prey organisms increased.
B) After both the Permian and Cretaceous extinctions, the percentages of prey organisms decreased.
C) After the Permian extinction the percentage of prey organisms decreased, but after the Cretaceous extinction the percentage of prey organisms continuously increased.
D) After the Permian extinction the percentage of prey organisms remained stable, but after the Cretaceous extinction the percentage of prey organisms increased.
Correct Answer:
Verified
Correct Answer:
Verified
Q7: Which of the following statements provides the
Q8: Natural selection, operating on which of the
Q9: Which factor most likely caused animals and
Q10: Many species of snakes lay eggs. However,
Q11: Mycorrhizae are symbiotic associations between some fungi
Q13: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8578/.jpg" alt=" Which of the
Q14: Which of the following organisms would be
Q15: Which of the following statements most accurately
Q16: Which of the following did all protocells
Q17: A swim bladder is a gas-filled sac