AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When two species reproduce at a different times, the situation is called:
A
temporal selection
B
temporal drift
C
temporal isolation
D
temporal effect
Explanation: 

Detailed explanation-1: -Two species might reproduce at different times of the day or year and thus be unlikely to meet up when seeking mates. This is called temporal isolation.

Detailed explanation-2: -Temporal isolation happens when two or more species reproduce at different times. For example, three species of orchid live in the same rain forest. Each species has flowers that last only one day and must be pollinated on that day to produce seeds.

Detailed explanation-3: -Being temporally isolated makes it less likely for two populations to reproduce. This leads to speciation since the two populations are not sharing any genes.

Detailed explanation-4: -One example of seasonal temporal isolation is the American toad and the Fowler’s toad. These are closely related species, but the American toad mates in the early part of summer, while the Fowler’s toad mates later in the season.

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