20
QuizMultiple Choice

Unit Test — Unit test

Question 20 • FL-2002040-M/J Comprehensive Science 1 A-CR

A tapeworm attaches to the wall of its host’s intestine and starts to absorb the host’s nutrients. Eventually this can cause great harm to the host as the host loses many important nutrients.Which type of infectious agent is a tapeworm?

Answer
A
a virus
B
a bacterium
C
a fungus
D
a parasite

Explanation

A parasite lives on or in another organism, called its host, and obtains resources at the host’s expense. The tapeworm lives in the host’s intestine and absorbs the host’s nutrients, so it is a parasite. Viruses, bacteria, and fungi are different types of infectious agents.

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