Hydra has stinging cells (cnidocytes) and a nerve net for a coordinated body response to stimuli.
Cnidarians, including Hydra, possess cnidocytes with stinging nematocysts and a primitive nerve net that allows the entire body to respond to stimuli.
| Front | Hydra Nervous System |
|---|---|
| Back | - all in phylum has cnidocytes with stingers (nematocysts) - primitive neural system, nerve net - entire animal body responds to one stimulus |
Tags: chapter_14, hydra
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