Q: When ice cream is left out of a freezer, the ice cream changes from a ___.

OPTIONS:
- solid to a gas
- gas to a liquid
- solid to a liquid
- liquid to a gas
A: solid to a liquid
Q: Which event becomes more likely during a drought in a prairie ecosystem?

OPTIONS:
- fire
- tornado
- landslide
- earthquake
A: fire
Q: Which function do kidneys provide to maintain homeostasis?

OPTIONS:
- the removal of excess heat from the body
- the removal of carbon dioxide from the body
- the removal of excess oxygen from the blood
- the removal of nitrogenous wastes from the blood
A: the removal of nitrogenous wastes from the blood
Q: All living organisms are dependent on plants because plants

OPTIONS:
- produce carbon dioxide
- remove oxygen from the air
- are producers
- are consumers
A:
are producers