A biologist is studying stinging cells called nematocysts,implying that this study involves which animals?

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Nematocysts are characteristic of cnidarians,such as jellyfish.Cnidarians capture their prey with a ring of tentacles that bear specialized stinging cells,called cnidocytes.Each cnidocyte has a capsule called a nematocyst containing a long,spirally coiled,hollow thread.When the trigger of the cnidocyte is touched,the nematocyst is discharged.

A Biologist Is Studying Stinging Cells Called Nematocysts,implying That This