Question

Which of the following occurred before the Cambrian explosion?

Answer 1

Some animals demonstrated signs of segmentation and bilateral symmetry.

Answer 2

3. Which of the following occurred before the Cambrian Explosion? (1 point)

A) Animals acquired specialized cells, tissues, and organs.

B) There was an extraordinary growth in animal diversity.

C) (Some animals demonstrated signs of segmentation and bilateral symmetry.)

D) Animal appendages became specialized for a variety of functions.

(C) Is the correct answer.