Cnidaria

Phylum Cnidaria (formely known as coelenterata) includes about 9000 species.Some are found in fresh water, but the grater number are marine. Coelenterates (Gr. koilos, hollow+enteron,gut).are the simplest of eumetazoans. This interesting group of animals take its name from the large cavity in the body that serves as the intestine.They include the hydra, jellyfish, sea anemones and corals.

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Jellyfish, Bali, Indonesia

Australian Spotted Jellyfish 🌊

“atlantic sea nettles 🤍”

Anthozoans: Anthozoans are a class within the phylum Cnidaria. Unlike other cnidarians, anthozoans do not have a medusa stage in their development.

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A list of questions to use after viewing the video Cnidarians: Life on The Move.

at Aqua Park Shinagawa

Animals are eukaryotic, multicellular organisms that form the biological kingdom Animalia. With few exceptions, animals are motile (able to move), heterotrophic (consume organic material), reproduce sexually, and their embryonic development includes a blastula stage. The body plan of the animal derives from this blastula, differentiating specialized tissues and organs as it develops; this plan eventually becomes fixed, although some undergo metamorphosis at some stage in their lives (Source…

Brain Coral (Coral cerebro) Corals are Marine Invertebrates in the class Anthozoa of Phylum cnidaria

The starlet sea anemone has no brain, but the same genes that determine the head's location in humans are expressed on its lower end (left), opposite its mouth and tentacles. Eurekalert, Nature, 2005

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