REVIEW SHEET

THE LOWER INVERTEBRATES

SPONGES, JELLYFISH, FLATWORMS, ROUNDWORMS.

READ CHAPTER 27!

  1. Where do sponges live?

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  2. What materials support a sponges shape?

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  3. Sponges have no tissues. How do they respire and circulate oxygen and nutrients?

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  4. Describe a sponges nervous system.

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  5. How do sponges reproduce?

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  6. What kinds of animals are Cnidarians?

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  7. Where do Cnidarians live

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  8. How do Jelly fish support their shape?

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  9. What is the Cnidarian Gastrovascular Cavity for?

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  10. Describe the Cnidarian nervous system.

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  11. Describe the Cnidarian life cycle.

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  12. What kinds of animals are in the phylum Platyhelmenthes?

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  13. Where do flatworms live?

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  14. What does it mean to be parasitic

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  15. What does it mean to be hermaphrodidic

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  16. How do flatworms get oxygen?

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  17. Why don’t tapeworms have a digestive system?

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  18. Describe a flaworms ladder like nervous system!

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  19. Where do Nematodes live?

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  20. What kinds of animals are Nematodes?

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  21. How do nematodes reproduce?

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  22. Do nematodes have a completed digestive system?