Assertion: tapeworm's host | /r/HasProperty | crustacean
Facets:
Source sentences:
text: For example, one tapeworm species needs three hosts across its lifespan: first a crustacean, then a stickleback fish, and, finally, a bird.
text: For example, Diphyllobothrium has at least two intermediate hosts, a crustacean and then one or more freshwater fish; its definitive host is a mammal.