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Phylum Ctenophores

Phylum Ctenophores. General Characteristics. Contains fewer than 100 species All live in salt water Common names are “sea walnuts” and “comb jellies” M ost are free-swimming Transparent bodies are easily seen at night when they emit light. Habitat.

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Phylum Ctenophores

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  1. Phylum Ctenophores

  2. General Characteristics • Contains fewer than 100 species • All live in salt water • Common names are “sea walnuts” and “comb jellies” • Most are free-swimming • Transparent bodies are easily seen at night when they emit light

  3. Habitat • Inhabit warm, tropical sea waters

  4. Form and Function • 2 tentacles containing colloblasts to catch prey • Colloblasts: adhesive cells that capture food • Swim using cilia

  5. Reproduction • Monoecious: have both sexes in one organism • Asexual reproduction • Zygote develops in the single parent and is released into the water • Sexual reproduction • Lay eggs and a male comes by and fertilizes them

  6. Sea Walnut

  7. Comb Jelly

  8. Comb Jelly

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