Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?
A) true tissues
B) hard parts
C) bilateral symmetry
D) embryos

Question

Quizplus · Accepted Answer

Fossils of the Ediacaran fauna are known for their lack of hard parts, so finding fossils with hard parts would be surprising. The other options (true tissues, bilateral symmetry, and embryos) are all characteristics that have been found in some Ediacaran fossils.

Evidence of Which Structure or Characteristic Would Be Most Surprising