How Does Nature Reuse Materials?

Name the material(s) plants take in from the environment.
1. water
2. nutrients
3. gases
4. All of the above
What materials do animals get from the environment?
1. water and food
2. water and carbon dioxide
3. food and carbon dioxide
4. food and grass
While all of the below statements are true, which one best describes the nitrogen cycle completely?
1. Most nitrogen gas is fixed by bacteria in the soil or in nodules on some plant roots.
2. Animals get nitrogen by eating plans and other animals.Nitrogen
3. NItrogen gas is fixed, or changed, into forms of nitrogen that plants can use. These forms are nitrates and ammonia.
4. Animal wastes and decaying plants and animals return nitrates and ammonia to the soil.
What are two forms of fixed nitrogen?
1. nitrates and ammonia
2. nitrates and nitrogen gas
3. ammonia and oxygen
4. nitrates and carbon dioxide
In the carbon dioxide cycle, carbon and oxygen move along plants, animals and the environment. Where is carbon most abundant on Earth?
1. Dead and decaying matter
2. Fossil fuels
3. Oceans
4. Living animals and plants
How does carbon dioxide move from organisms back to the atmosphere? (Name the process)
1. Transpiration
2. Evaporation
3. Photosynthesis
4. Respiration
What is happening to the size of the forests every year?
1. People replant trees every year. This means the forests are increasing in size.
2. People replant trees every year, but others cut down trees for many reasons. This means the forests are staying about the same in size.
3. People replant trees every year, but overall the forests are shrinking.
4. None of the above.
The sun heats the Earth, causing surface water to _______ and become________ which rises into the atmosphere.
1. evaporate, clouds
2. evaporate, water vapor
3. transpire, water vapor
4. transpire, clouds
Cold temperatures cause the water vapor to ________ and form________.
1. condense, puddles
2. precipitate, puddles
3. precipitate, clouds
4. condense, clouds
Water then falls to the Earth as ________.
1. Evaporation
2. Condensation
3. Precipitation
4. None of the above.

How Does Nature Reuse Materials?

Quiz