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  • Biology Mixed Test
  • Bats and whales are classified as mammals because both
Multiple choice

Bats and whales are classified as mammals because both

  1. have four-chambered heart

  2. give birth to young ones

  3. have pinna in their ears

  4. are endothermic in nature

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Presence of four-chambered heart and endothermic condition is also shared by birds.

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