The graph shows the variation in birth weights in a specific populations of humans. Which statement describes the variation of birth weights in this population? Variation favors both extremes of birth weight

Variation favors one extreme birth weight

Variation favors the average birth weight

There is no variation in birth weight

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.