Hot and cold glassware

a. looks different; hot glassware is red and cold glassware is blue
b. looks exactly the same
c. looks different; hot glassware is opaque and cold glassware is translucent
d. looks different ; hot glassware is iridescent and cold glassware is dull

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.