Approximately half of present-day plant species are believed to have originated in the past by which of the following events?
A) the proliferation of recessive genes
B) an increase in organismal sterility
C) ultraviolet radiation
D) polyploidy
E) None of these answers is correct.
Correct Answer:
Verified
Q22: Reproductive isolation may occur as a result
Q23: The least complex fossils generally are found
Q24: Permanent change in a given plant population
Q25: Modern theories of evolution recognize that mutation,
Q26: In modern theories of evolution, which process
Q28: The type of reproductive isolation that occurs
Q29: No permanent change in a population occurs
Q30: When a piece of one chromosome becomes
Q31: The current distribution of eastern and western
Q32: The development from a single gene pool
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