In a Hypothetical Environment, Fishes Called Pike-Cichlids Are Visual Predators

question 26

Multiple Choice

In a hypothetical environment, fishes called pike-cichlids are visual predators of algae-eating fish (in other words, they locate their prey by sight) . If a population of algae-eaters experiences predation pressure from pike-cichlids, which of the following is least likely to be observed in the algae-eater population over the course of many generations?

• A) selection for drab coloration of the algae-eaters
• B) selection for nocturnal algae-eaters (active only at night)
• C) selection for larger female algae-eaters, bearing broods composed of more, and larger, young
• D) selection for algae-eaters that become sexually mature at smaller overall body sizes
• E) selection for algae-eaters that are faster swimmers

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Definitions:

Sexual Inexperience

The state of having limited or no sexual experience or activity.

Sexual Intercourse

The physical act between individuals that involves genital contact and the exchange of bodily fluids, often leading to reproduction.

Early Ejaculation

A sexual dysfunction characterized by ejaculation that occurs sooner during sexual activity than a person or their partner would like.

Sexual Dysfunction

Disorders related to any phase of the sexual response cycle that prevent individuals from experiencing satisfaction from sexual activity.