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Coral animals secrete an exoskeleton, it...

Coral animals secrete an exoskeleton, it is composed of______.

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**Step-by-Step Solution:** 1. **Understanding Coral Animals**: Coral animals belong to the phylum Cnidaria, specifically within the class Anthozoa. They are primarily marine organisms that form colonies. 2. **Exoskeleton Secretion**: Coral animals secrete an external skeleton known as an exoskeleton. This structure provides support and protection to the coral. 3. **Composition of the Exoskeleton**: The exoskeleton of coral animals is composed of a tough material that helps them withstand environmental pressures. ...
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PEARSON IIT JEE FOUNDATION-DIVERSITY IN LIVING WORLD- ANIMALS-TEST YOUR CONCEPTS .
  1. The sponge which is generally gifted in marriages by Japanese is .

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  2. The pathway of enersing and coming out of water in sponges is known as...

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  3. Coral animals secrete an exoskeleton, it is composed of.

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  4. Type of respiration seen in parasitic helminthes.

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  5. In tape worm body is made up of segments called.

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  6. Metameric segmentation is seen in.

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  7. Water vascular system is present in .

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  8. Spiders and scorpions belong toclass under phylum Arthropoda.

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  9. The worm which is known as filarial worm is.

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  10. The class of vertebrates which has exclusively aquatic habitat is.

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  11. The pigment cells present on the skin of amphibians are called.

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  12. In birds, the alimentary canal ends in three chambered.

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  13. The development of two sets of teeth during the life time found in mam...

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  14. The endoskeleton in vertebrates is made up of hard, living tissues suc...

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  15. All the land vertebrates showrespiration.

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  16. Swim bladder in fish is an organ for.

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  17. Cartilagenous fish are grouped under.

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  18. The exoskeleton of birds is made up of.

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  19. When teeth are embedded in sockets, such condition is known as.

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  20. The muscular layer separating thoracic and abdominal cavity in mammals...

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