Which of the following accurately represents phenotypic plasticity in terms of r

Question

Which of the following accurately represents phenotypic plasticity in terms of reproductive effort?

A population of fish experiences a reduction in their food source. The males compete more intensely for resources and have higher mortality. A population of fish experiences a reduction in their food source. The females take two extra years to reach maturity but they produce normal levels of offspring. A population of fish experiences a reduction in their food source. The females select males based on colorful displays during the mating season. A population of fish experiences a reduction in their food source. They switch to another food source and reproduce as normal. A population of fish experiences a reduction in their food source. The males and females reproduce at the same age as normal, and they produce the same number of offspring. Offspring survival is highly reduced.

Explanation / Answer

Ans. The option 4 is the right answer which is A population of fish experiences a reduction in their food source. They switch to other food source and reproduce as normal.

Explanation: plasticity refers to the ability of an organism to change itsef in response to changing environmental conditions. Here the fish show plasticity towards the type of food i.e it does not display specific food requirement but adapts a generalistic approch and this plastic behaviour helped it to maintain its normal reproductive output.

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