Multiple choice

Which of the following is a characteristic feature of kingdom animalia?

  1. Heterophic mode of nutrition

  2. Cell wall

  3. Chitin

  4. Unicellularity
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A Correct answer
Explanation

Animals are characterized by heterotrophic nutrition: they cannot produce their own food and must consume other organisms. Cell wall is a plant/fungal feature, chitin is specific to fungi/exoskeletons, and most animals are multicellular (not unicellular). The key feature is heterotrophic mode of nutrition.

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