AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What kind of isolation occurs when two populations of birds have different courtship dances?
A
geographic isolation
B
sexual isolation
C
temporal isolation
D
behavioral isolation
Explanation: 

Detailed explanation-1: -Behavioral isolation is a mechanism in which organisms of the same species develop differing mating and courtship rituals over time due to a number of environmental factors.

Detailed explanation-2: -Different mating rituals can lead to isolation. One example is birds singing different songs to attract mates. Other examples include different preferences in breeding calls, mating dances, and pheromones.

Detailed explanation-3: -Behavioral isolation occurs when the presence or absence of a specific behavior prevents reproduction from taking place. For example, male fireflies use specific light patterns to attract females.

Detailed explanation-4: -Behavioral isolation occurs when mismatches in mating traits (signals and/or preferences) prevent mating between two species/populations.

Detailed explanation-5: -Behavioral isolation occurs when two populations that are capable of interbreeding develop differences in courtship rituals or other behaviors. Geographic isolation occurs when two populations are separated by geographic barriers such as rivers, mountains, or bodies of water.

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