Which type of symbiosis benefits the parasite and harms the host?

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Prepare for the CSET Multiple Subjects Subtest 2. Dive into math and science with flashcards and multiple choice questions, each question offering hints and explanations. Gear up for your success!

Multiple Choice

Which type of symbiosis benefits the parasite and harms the host?

Explanation:
In a parasitism relationship, one organism benefits at the expense of the other. The parasite gets nutrients, space, or a habitat that supports its growth and reproduction, while the host experiences harm—reduced resources, potential disease, or decreased fitness. Examples include a tapeworm living in the intestines and stealing nutrients, or a mosquito feeding on blood and potentially transmitting disease. This differs from mutualism, where both partners benefit; from commensalism, where one benefits and the other is largely unaffected; and from amensalism, where one is harmed and the other is unaffected.

In a parasitism relationship, one organism benefits at the expense of the other. The parasite gets nutrients, space, or a habitat that supports its growth and reproduction, while the host experiences harm—reduced resources, potential disease, or decreased fitness. Examples include a tapeworm living in the intestines and stealing nutrients, or a mosquito feeding on blood and potentially transmitting disease.

This differs from mutualism, where both partners benefit; from commensalism, where one benefits and the other is largely unaffected; and from amensalism, where one is harmed and the other is unaffected.

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