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The single large opening at the top in s...

The single large opening at the top in sponges is called_______.

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**Step-by-Step Solution:** 1. **Understanding the Structure of Sponges**: Sponges are simple aquatic animals that have a unique body structure. They are known for their porous bodies and lack of true tissues and organs. 2. **Identifying the Opening**: In sponges, there is a specific feature that allows water to flow in and out of their bodies. This feature is crucial for their feeding and respiration. 3. **Recognizing the Function of the Opening**: The single large opening at the top of the sponge serves a vital function. It is responsible for expelling excess water that has passed through the sponge's body, carrying away waste and allowing for the intake of food particles. ...
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PEARSON IIT JEE FOUNDATION-DIVERSITY IN LIVING WORLD- ANIMALS-TEST YOUR CONCEPTS .
  1. The series of changes which occur during transition from egg to adult ...

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  2. The taxonomical unit exclusively used in the classification of animal ...

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  3. The single large opening at the top in sponges is called.

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  4. The only fresh water animal in phylum cnidaria is.

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  5. In animals belonging to phylum Platyhelminthes, locomotory organelles ...

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  6. The excretory organs in round worm are.

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  7. The periodical shedding of exoskeleton in arthropods is called.

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  8. Soft-bodied animals belong to phylum.

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  9. A is present on the dorsal side of the foot in snail.

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  10. are considered as invertebrate chordates.

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  11. Food intake in starfish takes place with the help of.

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  12. Amphioxus belongs to the phylum,.

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  13. The sponge which is generally gifted in marriages by Japanese is .

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

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

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  16. Type of respiration seen in parasitic helminthes.

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

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  18. Metameric segmentation is seen in.

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  19. Water vascular system is present in .

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  20. Spiders and scorpions belong toclass under phylum Arthropoda.

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