Question

Adaptation is frequently constrained by trade-offs. Pick one, and explain: (a) the benefits of the trait to the organism, (b) the costs of the trait to the organism, and (c) the selective pressure(s) that act on the trait. A complete answer should clearly explain the direction of selective pressure(s) on the trait, and the fitness consequences of increasing or decreasing the trait value.

Answer 1

c) The selective pressure that act on the trait

Explanation- we can take example of giraph, they never had long neck from beginning. It is shown by evolution studies that as plants started grow tall, it become difficult for giraph to approach there food. So this pressure of availability of food, made them approach food with their neck up and eventually with time evolution helped them adapting environment with long neck. So, they can easily approach food.

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