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1- They can absorb the nutrients from the hosts.

2-They don't have to spend energy to look for food all the time,they get the food from where they stuck.

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11y ago
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10y ago

i think it is because of their eyes but ask an adult

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10y ago

The parasitic worms do not have to waste energy moving around, trying to find food, if they are eating the host's already digested food.

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Q: What are 2 advantages that parasitic worms have over free living worms?
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