1. In mutualism, who benefits?
A) Only one organism
B) Both organisms
C) Neither organism
2. In commensalism, what happens to the host?
A) The host is harmed
B) The host benefits
C) The host is unaffected
3. A tapeworm living inside a human is an example of:
A) Mutualism
B) Commensalism
C) Parasitism
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