As many as one-half of Earth's plants
A) may already have gone extinct in the last 100 years.
B) may be threatened with extinction at present.
C) may be considered invasive species.
D) are known to be medicinally useful.
E) have been shown to be keystone species.
Correct Answer:
Verified
Q4: Match the correct case study in conservation
Q5: As we study the past 50,000 years
Q6: A friend asks you for a definition
Q7: Regarding megafaunal extinctions,it is assumed that the
Q8: The process of examining the genomes of
Q10: Edge effects are the result of which
Q11: Scientists speculate that extinctions did not occur
Q12: A scientist studied peregrine falcons to determine
Q13: Historical extinction rates are best known for
A)reptiles
Q14: Scientists estimate that about _ of the
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