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' All vertebrates are chordates but all ...

' All vertebrates are chordates but all chordates are not vertebrates''. Justify the statement.

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All chordates have of notochord presence in some stage of their life. Only in vertebrates, this notochord present in embryonic stage, is replaced by a vertebral column during the adult stage.
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SUBHASH PUBLICATION-ANIMAL KINGDOM-FIVE MARK QUESTIONS AND ANSWERS
  1. ' All vertebrates are chordates but all chordates are not vertebrates'...

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  2. List the salient features of Phylum Annelida.

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  3. Enumerate general characteristics of Phylum Arthropoda.

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  4. List out four salient features of Phylum Porifera.

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  5. Enumerate general characteristics of Phylum Platyhelminthes.

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  6. Enumerate general characteristics of class Aves.

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  7. Enumerate general characters of class Reptiles.

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  8. Enumerate general characters of Mammals

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  9. Write any five differences between cartilage and bonyfishes .

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  10. If you are given a specimen, what are the steps that you should follow...

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  11. What are the modifications that are observed in birds, that help them ...

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  12. List the general characters of Phylum Coelenterata.

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  13. Write the general characters of Phylum Aschelminthes.

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  14. List the salient features of Phylum Annelida.

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  15. List any six characters of Phylum Arthropoda. Mention any two classes ...

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  16. Classify Phylum Mollusca by giving examples for each class.

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  17. List out the salient features of Phylum Mollusca.

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  18. List out the salient features of Phylum Echinodormata. Give two exampl...

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  19. Mention the classes of Phylum Echinodermata with one example for each ...

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  20. Mention any six characters of class Amphibia and give examples for a l...

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