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Many biologists believe that a mass extinction in currently in progress, but can be prevented by responsible human intervention.
Q4: The physical and biotic changes humans make
Q5: The first members of the genus Homo
Q19: What is the number of equivalents of
Q20: A current hypothesis suggests the decline in
Q34: One or two mutations are often the
Q35: Many yet unknown species of insects are
Q49: During an El Niño event,<br>A) sea surface
Q51: Which of the following combinations of symbols
Q57: Prairies that have high biodiversity are<br>A) more
Q61: Meristem cells in plants are similar to