A Population of Plants Experiences Divergence as a Result of a Newly

question 22

Multiple Choice

A population of plants experiences divergence as a result of a newly established environmental gradient. Although there is not a geographic barrier, reproduction between the two populations is increasingly rare and a hybrid zone has clearly established. As speciation continues, the hybrids experience lower and lower fecundity, and, increasingly, seeds that are produced by the hybrids are sterile. This is an example of what process?

• A) reproductive character displacement
• B) Dobzhansky-Muller incompatibility
• C) secondary reinforcement
• D) allopatric speciation

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Definitions:

Refusals

The act of declining or rejecting a proposal, offer, or request.

Ambiguous Implication

A statement or situation that can be understood in more than one way, leading to uncertainty or varied interpretations.

Marine Conservation

The protection and preservation of ecosystems in oceans and seas through planned management to prevent exploitation and pollution.

Negative Message

Communication that conveys a refusal, denial, or unfavorable information, often requiring careful wording to maintain goodwill.