Evolution

a) doesn't happen below the species level
b) is always caused by mutation
c) is a slow, gradual change over time
d) happens very quickly

Which best describes the scientific process

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.