Sponge Questions: Name:

Sponge Questions:
Name:
1. What did early biologists think sponges were?
2. Sponges are in what kingdom and phylum?
Kingdom____________________ Phylum_____________________
3. Are sponges unicellular or multicellular?
4. Are sponges prokaryotes or eukaryotes?
5. Name the two body layers of sponges.
6. What type of symmetry do sponges have?
7. Why are adult sponges said to be sessile animals?
8. What do sponges eat?
9. How do sponges get their food?
10. How does water enter a sponge?
11. What is the job of the amebocyte?
12. What two substances give the sponge support?
13. Tiny sponges growing from the main body of the sponge are called
14. What is a gemmule?
15. What is a hermaphrodite?
16. What is the jellylike layer called between the gastrodermis and epidermis?
17. What cells move around in the Mesohyl delivering food and oxygen to other cells?
18. What part of a collar cell helps pull in water?
19. What is another name for collar cells?
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20. What level(s) of organization is missing in sponges?
21. Name two methods of asexual reproduction in sponges.
22. Since sponges are hermaphrodites, do they fertilize their own eggs?
23. When do sponges release gemmules?
Color and label the Drawing! 2
Color and Label the letters on the diagrams!
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