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Home Q & A Board Biology-Related Homework Help General Biology
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tyressjones tyressjones
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7 years ago
It is difficult to estimate current rates of extinction because
A) the fossil record is unreliable.
B) extinction is very rare.
C) new species are evolving as fast as species are becoming extinct.
D) the number of species is unknown; many still remain undiscovered to science.
E) most species in danger of extinction are microscopic.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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skeledentskeledent
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7 years ago
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tyressjones Author
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#2
7 years ago
Exactly what I needed
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