In a food chain consisting of toxic soil, toxic grasses, rabbits that eat the toxic grass, and hawks that eat the rabbits, the highest concentration of toxins would occur in 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.