Which of the Following Scenarios May Produce an Active Trend

question 43

Essay

Which of the following scenarios may produce an active trend in evolutionary change? Briefly justify your answer.
A. The mechanic stability of the exoskeleton of a group of terrestrial arthropods imposes an upper limit on the body size of these organisms.
B. The evolution of an endoparasitic lifestyle results in overall smaller body size as parasite species diversify to utilize small-bodied hosts, which are more common than large-bodied hosts.

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Definitions:

"Staying" Power

"Staying" power refers to the ability of a person, organization, or product to endure or remain popular over a significant period of time.

Frozen Meal

A pre-cooked, packaged meal that is frozen and can be reheated for consumption, offering convenience and a quick meal option.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, allowing for slight differentiation and some price control.

Elasticity

A measure of the responsiveness of quantity demanded or quantity supplied to a change in one of its determinants.