Cnidarians (e.g., Hydra, Jellyfish) have radial symmetry, a medusa or polyp body form, two cell layers with a digestive cavity, and stinging cells called cnidocytes.
Cnidarians, like Hydra and Jellyfish, exhibit radial symmetry, have a polyp or medusa motile body, two cell layers with a gastrovascular cavity, and possess stinging cnidocytes containing nematocysts.
| Front | Cnidarians (Hydra and Jellyfish) |
|---|---|
| Back | - radial symmetry - polyp or medusa motile body - 2 cell layers, with gastro cavity - have cnidocytes containing stinging nemotocytes |
Tags: chapter_12
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