Multiple choice

The fossil record indicates a sequence of development, because in rocks of particular ages:

  1. The same organisms are found in a random order

  2. The same organisms are found in a consistent order

  3. Different organisms are found in a consistent order

  4. Different organisms are found in a random order
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The fossil record shows that different organisms succeed each other in a definite and determinable order (the principle of faunal succession). This consistent sequence of different organisms in rocks of particular ages provides strong evidence for evolutionary change over time.

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