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What is the difference between direct, a...

What is the difference between direct, and Indirect development?

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Direct Development: In this case the young offsprings resemble the adult i.e., no intermediate stage. eg : Humans, Birds etc.
Indirect Development : This case the young ones doesn't resemble the adult but undergo morphological changes to become adult. eg: Frogs go through the tadpole stage before becoming adult frogs. Butterflies have larvae and cocoon stage before becoming butterfly etc.
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SUBHASH PUBLICATION-ANIMAL KINGDOM-TWO MARK QUESTIONS AND ANSWERS
  1. How useful is the study of Body cavity and coelom, in the classificati...

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  2. Distinguish between intracellular and extracellular digestion?

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  3. What is the difference between direct, and Indirect development?

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  4. What are the peculiar features that you find in parasitic platyhelmint...

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  5. Could the number of eggs of young ones by an oviparous and a viviparou...

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  6. Prepare a list of some animals that are found parasitic on human being...

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  7. What is sexual dimorphism ? Give one example.

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  8. What is a pseudocoelom? Give an example.

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  9. Classify Phylum Annelida into various classes with examples.

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  10. Define Metamerism and Cephalisation ?

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  11. Name the extra - embryonic membranes of reptiles.

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  12. Mention the functions of the following:

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  13. Write any four salient features of class Aves.

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  14. Write any four differences between chordates and non - chordates.

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  15. Name the phyla in which you come across the following :

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  16. ClassifyPhylum Porifera with an example for each class.

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  17. Classify Phylum Coelenterata with an example for each class.

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  18. Classify Phylum Platyhelminthes with an example for each class.

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  19. Name the phyla in which the following are present.

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  20. Name the phyla in which the following are present.

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