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Given below are adaptations of aquatic animals.


I: A streamlined body

II: Breathing tubes

III: Webbed feet  

IV: Gills 

V: Fins


Aquatic animals move easily in the water using which above helping adaptations-

  • a)
    Only I, II and V              

  • b)
    Only I, IV and V

  • c)
    Only I, II, III and V         

  • d)
    I, II, III, IV and V

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Given below are adaptations of aquatic animals.I: A streamlined bodyII...
Adaptations of Aquatic Animals:

I: Streamlined body: Aquatic animals have a streamlined body shape that reduces the resistance of water and helps them move easily in the water.

II: Breathing tubes: Some aquatic animals have breathing tubes that allow them to breathe while being submerged underwater. These tubes help them take in oxygen directly from the air, even if they are underwater.

III: Webbed feet: Aquatic animals such as ducks, beavers and otters have webbed feet that help them swim through the water more efficiently. The webbing between their toes provides more surface area, which allows them to paddle through the water with greater ease.

IV: Gills: Fish and other aquatic animals have gills that allow them to breathe underwater. Gills are specialized organs that extract oxygen from the water and release carbon dioxide.

V: Fins: Fins are specialized appendages that help aquatic animals move through the water. They provide stability and control, and help animals move more efficiently.

Answer:

Aquatic animals move easily in the water using adaptations I, III and V. The streamlined body shape helps reduce resistance of water, webbed feet provide more surface area for efficient swimming and fins help animals move through the water with stability and control. However, breathing tubes are not essential for all aquatic animals and gills are only found in fish and some other aquatic animals, but not in all. Therefore, options (a), (c) and (d) are incorrect. Option (b) is the correct answer.
Community Answer
Given below are adaptations of aquatic animals.I: A streamlined bodyII...
B
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Given below are adaptations of aquatic animals.I: A streamlined bodyII: Breathing tubesIII: Webbed feetIV: GillsV: FinsAquatic animals move easily in the water using which above helping adaptations-a)Only I, II and Vb)Only I, IV and Vc)Only I, II, III and Vd)I, II, III, IV and VCorrect answer is option 'B'. Can you explain this answer?
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