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Why is earthworm called as friend of far...

Why is earthworm called as friend of farmers?

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CHETANA PUBLICATION-Animal Classification-EXERCISE
  1. Give the scientific reasons: Digestive system is feebly developed in...

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  2. Give the scientific reasons: Birds (Aves) are adpated to aerial mod...

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  3. Why is earthworm called as friend of farmers?

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  4. Give the scientific reasons: Poriferans are called sedentary animals...

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  5. Answer the following questions: To which phylum does Cockroach belo...

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  6. What do you mean by 'Notochord'? Explain.

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  7. How the plants are classified ?

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  8. Complete the chart - Classification of living organism.

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  9. Complete the chart- Grades of organisation

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  10. Complete the chart -Body Cavity

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  11. Complete the chart-Phylum Chordata

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  12. Draw well labelled diagrams and write the classification of Hydra

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  13. Draw well labelled diagrams and write the classification of Jellyfish

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  14. Draw well labelled diagrams and write the classification of Planaria

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  15. Draw well labelled diagrams and write the classification of Ascaris (R...

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  16. Draw well labelled diagrams and write the classification of Earthworm

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  17. Draw well labelled diagrams and write the classification of Octopus

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  18. Draw well labelled diagrams and write the classification of Balanoglss...

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  19. Draw well labelled diagrams and write the classification of shark

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  20. Draw well labelled diagrams and write the classification of Frog

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