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Discuss the functions of epithelial connective nerviud and muscular tissues

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.

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f