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Octavio’s Book Cnidarians

Octavio’s Book Cnidarians. Cnidarians are Invertebrates (no backbones). The hydras and jellyfishes are cnidarians. The jellyfish can be a few inches in width and the largest can be over 6 feet. Cnidarians are aquatic animals, mostly marine. The anemone and the red

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Octavio’s Book Cnidarians

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  1. Octavio’s BookCnidarians

  2. Cnidarians are Invertebrates (no backbones)

  3. The hydras and jellyfishes are cnidarians

  4. The jellyfish can be a few inches in width and the largest can be over 6 feet

  5. Cnidarians are aquatic animals, mostly marine

  6. The anemone and the red coral are cnidarians

  7. The body of a cnidarians is a sack with an opening.

  8. This opening is surrounded by many poisonous tentacles

  9. The Portuguese Man of War is a colony of poisonous cnidarians

  10. Some cnidarians have the Medusa form, and living free

  11. In the medusa form the tentacles dangle down

  12. The sea nettles have medusa form

  13. Others cnidarians have the Polypform, and living in colonies

  14. Polyps form is when the cnidarians are connected to the bottom

  15. The brain coral and the pillar coral have the polyps form

  16. The coral polyps form reefs that can stretch for thousand of miles

  17. The largest coral reef is the Great Barrier Reef at the northeast of Australia

  18. The coral reef are the home of an amazing variety of animals

  19. There are more than 11,000 species of Cnidarians

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