Multiple choice general knowledge science & technology

The platypus and the echidna are the only mammals that:

  1. lay eggs

  2. have green blood

  3. live in antarctica

  4. Eat eucalyptus leaves
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A Correct answer
Explanation

Monotremes are the only order of mammals that lay eggs instead of giving birth to live young. The platypus and echidna are the only extant monotreme species. They do not have green blood, don't live exclusively in Antarctica, and koalas (not platypus/echnida) eat eucalyptus leaves.

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