Which of the Following Is an Example of a Species

question 43

Multiple Choice

Which of the following is an example of a species with r-selected adaptations?

• A)house fly
• B)blue whale
• C)gorilla
• D)horse

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Definitions:

Resistant Populations

Groups of organisms that have developed the ability to withstand environmental pressures, such as chemicals or diseases, that would normally be harmful.

Directional Selection

A type of natural selection in which one extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Selection Differential

A measure of the difference between the mean phenotype of the selected parents and the mean phenotype of the general population.

Narrow Sense Heritability

A measure of how much of the variance in a trait among individuals in a population is due to additive genetic factors.