Paleontologists and ecologists agree that ________
A) biodiversity is evenly spread over the earth's biomes
B) 99% of all species that have ever existed are now extinct
C) more than 99% of all species alive today have been discovered and described
D) speciation is a major cause of biodiversity loss
E) extinction is tied exclusively to human activities
B
You might also like to view...
A mid-winter, mid-latitude cyclone that reaches the West Coast is least likely to
A) have formed near Japan. B) bring rain to coastal Oregon. C) bring snow to the mountains of Washington. D) head north when reaching the Rocky Mountains.
Ozone is concentrated in the ________
troposphere mesosphere stratosphere ionosphere
Most nations have shown relatively little interest in harnessing the power of wind for energy
Indicate whether the statement is true or false
What kind of continental margin is visible in this image?
A) Active B) Rift C) Passive D) Transform