There Is an Island in the Middle of a Large

question 16

Multiple Choice

There is an island in the middle of a large river that houses a large population of ants. Damming of the river causes the island to flood and only the highest points of the island are now above water. The ants cannot swim, so are now in multiple isolated populations. Which of the following best describes this event?

• A) This situation represents isolation by dispersal.
• B) This situation represents isolation by vicariance.
• C) This situation represents a form of sympatric speciation.
• D) Only a rare development of polyploidy could lead to speciation in this case.
• E) Speciation will not occur in this case because of gene flow.

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Definitions:

Calorie Content

Calorie content is the amount of energy provided by consuming a certain amount of food or drink, measured in calories.

Protein

Proteins are large, complex molecules essential for the structure, function, and regulation of the body's tissues and organs, made up of amino acids.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major energy source in the diet of humans and animals.

Worst Predictor

A variable in a statistical model that contributes least to the prediction of the outcome variable, often due to lack of significant correlation or variability.