Which one of the following is most appropriately defined?
Correct answer: C. A predator is an organism that catches and kills other organisms for food
- A. A host is an organism which provides food to another organism.
- B. An amensalism is a relationship in which one species is benefitted whereas the other is unaffected.
- C. A predator is an organism that catches and kills other organisms for food
- D. A parasite is an organism that always lives inside the body of another organism and may kill it.
Explanation
Predation is an interaction between members of two species in which members of one species capture, kill and eat up members of other species. Host is a term which is specifically related to parasitism. Amensalism is an interspecies interaction in which one species is harmed whereas the other one is unaffected. Parasitic organism can live both over the surface of their host or inside their body.
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