The value in nature and human life of a representative of the class of leeches.
| December 12, 2020 | education
Leeches serve as food for some species of fish. They are the intermediate host of parasitic worms. There are leeches, which are used in medicine because of salivation, such leeches are called medical. But let’s not forget that a leech that has a parasite worm can introduce an infection when bitten.
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