AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two birds with different courtship dances show
A
behavioral isolation.
B
geographical isolation.
C
temporal isolation.
D
postzygotic barriers.
Explanation: 

Detailed explanation-1: -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-2: -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-3: -Courtship behavior can include things like food delivery, dance moves (displays), and mutual preening. In many cases, the most extravagant courtship displays belong to the species where males contribute little else to the relationship-think strutting grouse or dancing birds-of-paradise.

Detailed explanation-4: -Behavioral Isolation Meaning Also known as ethological isolation, it occurs when two populations are capable of interbreeding, but don’t breed because of differences in their courtship rituals.

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