Hydras
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Scan day: 04 March 2014 UTC
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Description: Photographic study by Jan Parmentier of these organisms, with images of various reproductive structures.
by Jan Parmentier, the Netherlands You will not find many Coelenterata in fresh water. To this phylum belong jellyfishes, corals, sea anemones and polyps, characterized by stinging organelles, called cnidae or nematocysts. Only a few genera, all belonging to the Class Hydrozoa, occur in freshwater, due to the fact that the phylum of the Coelenterata evolved in the sea and not many species succeeded in conquering fresh water.
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| Page title: | Hydras |
| Keywords: | Microscopy, Micscape, amateur microscopy, hydra, coelenterate, coelenterata, pond life |
| Description: | Hydras |
| IP-address: | 98.138.19.143 |