Describe the journey of a human egg from where it begins in an ovary until the fertilized egg implants and begins to divide and develop into a fetus

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird

Examine the following diagram. place the labeled layers in order from youngest to oldest.