Hydra is a genus of small freshwater hydrozoans of the phylum Cnidaria. They are native to the temperate and tropical regions. The genus was named by ... Hydra viridissima · Hydra oligactis · Hydra vulgaris · Cyclops (copepod) |
18 окт. 2024 г. · , usually has the shape of a bell or an umbrella, with tentacles hanging downward at the margin. The tubelike manubrium hangs from the ... |
Observe the typical jellyfish body shape, with tentacles ringing the edge (Perry & Morton, Fig. 88a-b). The mouth is found in the middle of the ventral surface. |
Cnidaria · Class Cubozoa—box jellyfish, sea wasps · Class Hydrozoa—hydroids, hydra-like animals · Class Polypodiozoa—parasites · Class Scyphozoa—true jellyfish ... |
Animals in this phylum display two distinct morphological body plans: polyp or “stalk” and medusa or “bell” (Figure 2). An example of the polyp form is Hydra ... |
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