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Radial symmetry is an advantage to the s...

Radial symmetry is an advantage to the sessile or slow moving organisms. Justify this statement.

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Animals showing radiál symmetry live in water and they can respond equally to stimuli that arrive from all directions. Thus, radial symmetry is an advantage to sessile or slow moving animals.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-STRUCTURAL ORGANISATION IN ANIMALS -Important Question
  1. Radial symmetry is an advantage to the sessile or slow moving organism...

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  2. What is tissue level of organisation among animals? Which metazoans do...

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  3. What is cephalization ? How is it useful to its possessors?

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  4. Why is the true coelom considered a secondary body cavity?

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  5. What are retroperitoneal organs ?

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  6. Distinguish between exocrine and endocrine glands with examples.

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  7. Distinguish between holocrine and apocrine glands.

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  8. Distinguish between a' tendon and a ligament.

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  9. Distinguish between osteoblasts and osteoclasts.

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  10. Define Osteon.

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  11. What is lymph ? How does it differ from plasma ?

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  12. Cardiac muscle is highly resistant to fatigue. Justify.

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  13. Distinguish between 'nucleus' and 'ganglion' with respect to the nervo...

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  14. Distinguish between white matter and greymatter of CNS'.

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  15. What are pseudounipolar neurons ? Where do you find them ?

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  16. Mention the advantages of coelom over pseudocoelom.

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  17. Give an account of glandular epithelium.

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  18. Explain Haversian system.

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  19. Write short notes on lymph.

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  20. Describe the structure of a cardiac muscle.

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  21. Describe the structure of a multipolar neuron.

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