How are the niches of tapeworms and planarians different?
Tapeworms are parasitic animals that derive their nutrients from the body of their host, such as a dog, bear, fish, or deer. The niche of parasitic worms end up contributing to strengthening host populations overall. The tapeworms weed out sick individuals of the species who do not survive the parasite's attack, or who are too sick and weakened to breed or feed, or who are killed by predators more easily because they are sick. The hosts who...
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