What do both the theory of evolution and the cell theory have in common as scientific theories? a) both have strong scientific support. b) both were once laws that had to be tested. c) both describe our expectations of the natural world. d) both are soon to become scientific laws.

Option (A).

Explanation:

Scientific theory may be defined as the explanation of the natural world that has been verified by the scientific methods. The scientific theory must involve the protocol, observation, result and discussion.

The theory of evolution and the cell theory are included in the scientific theories. These theories have the strong scientific evidence and support that has been tested by the scientists.

Thus, the correct answer is option (A).

they do because without them we have no flowers and without them no trees