What is a bottleneck event? Provide one example of a current event that would be a good example of a bottleneck event.

6 answers
Question:

What is a bottleneck event? Provide one example of a current event that would be a good example of a bottleneck event.

Answers

the answer is B

Explanation:

the answer is-  D

10% of the population of American alligators in an area have the recessive trait albinism. A massive flood results in the death of 80% of the population. Of the remaining population, 60% have the recessive trait of albinism.

A bottleneck is narrow, which means that only a some of the contents of the bottle can get out. From this effect, people use the word bottleneck when only a few individuals of a population survive.

A bottleneck is very narrow, which means that only a portion of the contents of the bottle cat get out (at the time). 

From this effect, people use the word bottleneck when only a few individuals of a population survive: 

the answer is: Insecticide spraying eliminates all but a few of the beetles on an island.

C)  If we spray insecticide, only those who are resistant to the insecticide will survive.
That is what the bottleneck effect entails - a sharp reduction in the population and the survival of only a few.

The bottleneck effect is when the population of a species is reduced due to an environmental disaster or human activities. An example of the bottleneck effect is "Insecticide spraying eliminates all but a few of the beetles on an island". For the species to survive, the green beetle will either have to move to a new location and build a new colony or they will have to develop a resistance to the insecticide and then start to rebuild the existing colony

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