In fall, certain kinds of trees lose their leaves and enter a period of dormancy. Define dormancy and give one reason why it may occur. List the processes that occur when a tree enters dormancy. Explain.

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.