Multiple choice

Fossils that help fill in the evolutional gap between two groups of organisms are known as:

  1. midline fossils

  2. intermediate fossils

  3. evolutionary fossils

  4. transitional fossils
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Transitional fossils exhibit traits common to both an ancestral group and its derived descendant group, effectively filling the gap in the evolutionary record.

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