Multiple Choice
Scientists have used the fossil record to estimate the average length of time that a species inhabits the Earth. How can this estimate be useful for assessing the impact of humans on the Earth's biological diversity?
A) It can help determine how long the human species might survive.
B) It can determine which species might become extinct soon, even if humans aren't involved.
C) It can estimate how many species extinctions are caused by human activity.
D) It can assure us that human activity is not the cause of most species extinctions.
Correct Answer:

Verified
Correct Answer:
Verified
Q25: Which of the following would be most
Q26: Which chemical may be recycled from ammonia
Q27: What is the likely cause of "colony
Q28: The sudden loss of which organism would
Q29: What is the life span of a
Q31: At the current rate of habitat destruction,
Q32: What law was passed to address the
Q33: The current rapid loss of species is
Q34: What phenomenon results from the runoff of
Q35: How many years is the average life