Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of a scientific theory? Do you think it should be a scientific law? Explain your response.

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.