Why do species evolve during adaptive radiation? to fill different niches to create variation to become reproductively isolated to provide evidence of evolution

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.

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )