Which characteristics of Galapagos finches helped the grants show the results of natural selection A. color of their feathers
B. the length and shape of their wing
C. The size and shape of their beak
D. the curve of their claws

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.

Order the steps of protein synthesis. amino acids are lined up in a sequence. rna is modified into mrna. dna is transcribed. a ribosome binds to mrna. chemical bonds are formed and a protein is produced.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above