(ASAP)Which question is the basis for separating primitive life forms from advanced life forms during classification? A. Does the organism have distinct cells?

B. Can cells in the organism reproduce?

C. Is the organism single celled or multicellular?

D. Does the organism have specific cellular structures or functions?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?