Multiple choice

Most of the mammals are

  1. oviparous

  2. viviparous

  3. autotroph

  4. nocturnal
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Most mammals give birth to live young (viviparous). While monotremes like the platypus and echidna are oviparous (egg-laying), they are rare exceptions. The vast majority of mammal species are viviparous.

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