When energy changes from one form to another, some energy is always changed to a. electricity. b. heat. c. sound. d. light.

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

What is the process by which biological parents pass traits such as hair type or eye color to their children

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping