In a Hypothetical Environment, Fishes Called Pike-Cichlids Locate Their Prey

question 4

Multiple Choice

In a hypothetical environment, fishes called pike-cichlids locate their prey by sight and eat small, immature algae-eating fish. Thus, the population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following possible changes is LEAST likely to occur in the algae-eater population in future generations?

• A) improved camouflage of the algae-eaters
• B) decreased day-time activity by algae-eaters
• C) increased size of female algae-eaters that then produce more and larger young
• D) production of fewer offspring by algae-eaters

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Definitions:

Ionic Bond

A chemical bond formed between two atoms when one atom transfers an electron to another, leading to the attraction between positively and negatively charged ions.

Hydrogen Bond

An insubstantial attachment between two molecules produced by the electrostatic allure between a proton of one molecule and an electronegative atom of the other.

Ions

Atoms or molecules that have lost or gained one or more electrons, thus acquiring an electric charge.

Respective Charges

The specific electrical charges on particles or objects, usually defined as positive or negative, which determine their electromagnetic interactions.