Which is a difference between proteins and carbohydrates and fats? a. proteins are macromolecules; carbohydrates and fats are not. b. proteins are composed of monomers; carbohydrates and fats are not. c. carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not. d. excess carbohydrates and fats are stored; excess proteins are not.

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

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.

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?