Pls answer it ASAP pls and thank you

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

How does photosynthesis show the conservation of mass and energy?

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.