a heterogenous phylum that includes corals, sea anemones, Hydra, box jellyfish, and true jellyfish. Cnidarians don’t have brains or strong muscles or sharp teeth, and most are slow or even sessile.
5monon MSN
The animal kingdom contains a vast array of animals capability of remarkable regenerative abilities, but known are quite as ...
Jellyfish are invertebrates – animals that don’t have a backbone – and belong to a group called Cnidaria. Some of their closest relatives include colourful corals and anemones. “Jellyfish are ...
Jellyfish can produce offspring both sexually ... They belong to the class Scyphozoa, in the phylum Cnidaria, which also includes corals. (A phylum is such a broad taxonomic category that humans ...
These organisms differ from jellyfish because they lack nematocysts, the characteristic stinging cells in cnidarians such as jellyfish and corals. Here are two fascinating facts about this ...
Stinging cells, produced by cnidarians such as jellyfish and anemones, are one of ocean creatures' most effective defences. This method of protection can keep almost all predators at bay - but not the ...
In the evolution of metazoans, sponges diverged first, followed by cnidarians (jellyfish and corals). Nearly all other metazoans are bilaterians — so named because they have bilateral symmetry.
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