Read each question and choose the correct answer.

1. Maintaining a stable internal environment is called _____ ?

metabolism
homeostasis

2. The resemblance of children to their parents is a result of _____ ?

heredity
stimuli

3. A _____ obtains food by eating other organisms.?

producer
consumer

4. Starch is a _____ and is made up of _____ ?

carbohydrate/sugars
nucleic acid/nucleotides

5. Fats and oils are _____ that store energy for an organism.

proteins
lipids

6. Cells are

the structures that contain all of the materials necessary for life.
found in all organisms.
sometimes specialized for particular functions.
All of the above.

7. Which of the following is true about all living things?

They cannot sense change in their environment.
They have one or more cells.
They do not need to use energy.
They reproduce asexually.

8. Organisms must have food because

food is a source of energy.
food supplies cells with oxygen.
organisms never make their own food.
All of the above.

9. A change in an organism's environment that effects the organism's activities is a

response
stimulus
metabolism
producer

10. The molecule that contains information on how to make protein is

ATP
a carbohydrate
DNA
a phospholipid