That Angiosperms First Evolved in the Tropics Likely Explains Why

question 47

Multiple Choice

That angiosperms first evolved in the tropics likely explains why, with respect to measuring exposure to cold:

• A)all angiosperms share a common mechanism.
• B)different mechanisms evolved independently in different lineages.
• C)the requirement for vernalization is reset in the next generation.
• D)angiosperms lack a mechanism for recording exposure to low temperatures.

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