It is an endoparasite of humans, cattle and pig that completes its life cycle in two hosts:
Correct answer: B. Liver fluke (Fasciola)
- A. Stingray
- B. Liver fluke (Fasciola)
- C. Aurelia
- D. Schistosoma
Explanation
The liver fluke (Fasciola hepatica) is an endoparasite of humans, cattle, and sheep. It completes its life cycle using two hosts: a snail as the intermediate host and a mammal (human, cattle, or sheep) as the definitive host. Tapeworms (Taenia) also infect humans and animals but usually require only one intermediate host, and Aurelia (jellyfish) and Schistosoma (blood fluke) have different life cycles.
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