A Species of Caterpillar Develops Toxic Spikes That Deter the Birds

question 119

Multiple Choice

A species of caterpillar develops toxic spikes that deter the birds that prey on it. Over time, the genetics of the bird population shifts so that an allele for a digestive enzyme that neutralizes the toxin becomes more common. This is an example of

• A) coevolution.
• B) mutualism.
• C) parasitism.
• D) mimicry.
• E) an invasive species.

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Definitions:

Therapeutic Drugs

Medications used to treat, cure, or prevent diseases and restore health in individuals.

Hallucinations

Perceptions in the absence of external stimuli that have qualities of real perception, often seen in certain mental disorders or induced by drugs.

Schizophrenia

A chronic brain disorder characterized by hallucinations, delusions, and extremely disordered thinking and behavior.

Dopamine Overactivity

A condition in which there is an excess of dopamine activity in the brain, associated with symptoms of certain psychiatric disorders.