Ageologist is studying rock layers in an old river bed, and he finds a fossil of a fish and a horsetail rush in the same rock layer. according to the law of faunal and floral succession, the geologist can assume that the rock containing the fossils may date back as far as the

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.