An earthworm breaks down nutrients and fertilizer in the soil, providing plants with nutrients they need to survive. What does the role of the earthworm play in this scenario?
O A Scavenger
B Producer
OC. Autotroph
OD. Decomposer
HURRY PLZ

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.