Many Europeans believed that those non-Europeans were uncivilized. They believed that inherited the same way as biological variation. a. Race
b. cultural variations
c. Ethnicity
d. Eugenics

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.