Which of the Following Is MOST Likely an Example of Coevolution

question 50

Multiple Choice

Which of the following is MOST likely an example of coevolution?

• A) The color of a rodent's hair changes to better match a new environment.
• B) A parasitic worm develops a new mechanism to attach to the gut lining of an organism that has a special adaptation designed to shed parasitic worms.
• C) Two different species of plants produce flowers that are the same color, which attracts honeybees.
• D) Two unrelated rodent species on different continents develop flaps of skin between their front legs and bodies that allow them to glide between trees.

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually comes to trigger a conditioned response on its own.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly presented along with an unconditioned stimulus.

Unconditioned Stimulus

A stimulus that automatically triggers a response without any need for prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually triggers a conditioned response.