Multiple choice

Archaezoic era was the age of:

  1. protists

  2. aquatic life

  3. fossils

  4. amphibians
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A Correct answer
Explanation

The Archaezoic era (also called Archean) represents the earliest eon of Earth's history, characterized by the emergence of the first simple single-celled life forms - protists. Complex life like amphibians came much later, while 'fossils' and 'aquatic life' are too broad.

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