Adaptations for Aquatic and Aerial Movement · NCERT Biology

Which adaptation reduces drag in fast-swimming aquatic animals?

  1. Presence of scales
  2. Mucus-covered skin
  3. Segmented fins
  4. Rigid body covering
Show answer and explanation

Correct answer: Mucus-covered skin

Mucus reduces friction between body surface and water. This adaptation enhances swimming speed.

Difficulty: Medium Question 31 of 40

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