Parasite Identification and Explanation

Which of the following is a parasite? (a) a praying mantis (b) a zebra (c) a roundworm (d) all of the above

Final answer:The correct answer to the question is (c) a roundworm because it is the only organism among the choices that behaves as a parasite.

Parasites are organisms that live on or in a host organism and get their food from or at the expense of their host. From the options provided, a praying mantis, a zebra and a roundworm, only the roundworm is a parasite. Roundworms are known to inhabit the intestines of their host, usually causing harm. Hence, the correct answer to the question is (c) a roundworm.

Explanation:

Praying Mantis (a): Praying mantis is a predatory insect that feeds on other insects and is not a parasite. It does not rely on a host organism for its survival. Zebra (b): Zebras are herbivorous mammals that graze on vegetation and are not parasites. They do not live in or on other organisms for their sustenance. Roundworm (c): Roundworms are parasites that live inside the host organism and derive their nourishment at the host's expense. They are classic examples of parasitic organisms. Therefore, the correct answer to the question is (c) a roundworm, as it is the only organism among the choices provided that exhibits parasitic behavior.

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