Imagine That in One Portion of Their Range, Black Widowbird

question 10

Multiple Choice

Imagine that in one portion of their range, black widowbird numbers are declining due to the introduction of a non-native snake that eats their eggs and nestlings. The last two remaining females in this population disperse to join a different population that is 50 km away, where they breed with new males. If these females produce only sterile offspring as the result of mating with males in the new population, what type of reproductive isolation does this represent?

• A) post-mating barrier
• B) pre-mating barrier
• C) temporal barrier
• D) behavioral barrier

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Definitions:

Homosexuality

A sexual orientation characterized by an emotional, romantic, or sexual attraction to individuals of one's own gender.

Stigmatized

Described or branded in a way that carries disgrace or shame, often leading to discrimination or social exclusion.

Methodologies

A collection of procedures, techniques, tools, and strategies used in research, problem-solving, and project management.

Attractions

Feelings of interest or admiration towards someone or something, which can be sexual, romantic, aesthetic, or platonic in nature.