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Why are spongin and spicules important t...

Why are spongin and spicules important to a sponge?

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Calcareous and siliceous spongin and spicules are present in the body of the sponges asskeletons which supports its body
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PREMIERS PUBLISHERS-KINGDOM ANIMALIA -TEXTBOOK QUESTION AND ANSWER(anwer the following )
  1. Why are spongin and spicules important to a sponge?

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  2. What are the four characteristies common to most animals?

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  3. List the features that all vertebrates show at some point in their dev...

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  4. Compare closed and opened circulatory system.

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  5. Compare Schizocoelom with Enterocoelom.

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  6. Identify the structure that the archenteron becomes in a developing an...

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  7. Observe the animal below and answer the following questions. (a) Ident...

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  8. Observe the animal below and answer the following questions. (b) What...

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  9. Observe the animal below and answer the following questions. (c) Is t...

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  10. Observe the animal below and answer the following questions. How m...

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  11. Choose the term that does not belong in the following group and explai...

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  12. Why flatworms are called acoelomates?

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  13. What are flame cells?

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  14. ConceptMapping -use the following terms to create a concept map that s...

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  15. In which phyla is the larva trochopore found?

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  16. Which of the chordate characteristics do tunicates retain as adults?

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  17. List the characteristic features that distinguish cartilaginous fishes...

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  18. List three features that characteristise bony fishes.

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  19. List the functions of air bladder in fishes.

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  20. Write the characteristics that contributes to the success of reptiles ...

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