Ch. 7 Lesson 4 p. 182-185
- 1. Which kind of nitrogen do organisms need?
A) free
B) fixed
- 2. True or false. The amount of energy and matter on Earth is limited.
A) True
B) False
- 3. True or false. Nitrogen is a common element in the air that we breathe.
A) False
B) True
- 4. True or false. Lighting does NOT fix nitrogen.
A) False
B) True
- 5. Which of the following not a step of the water cycle.
A) transipiration
B) evaporation
C) liquidation
D) condensation
- 6. What are three ways that water gets into the air?
A) Breathing
B) Transipiration
C) Evaporation
D) All of these are ways that water gets into the air.
- 7. What is the most common element in all living things?
A) Oxygen
B) Carbon
C) Nitrogen
D) Water
- 8. True or false. Carbon and water are necessary for there to be life on Earth.
A) False
B) True
- 9. Timber wolves eat plants. How do you think that they get the nitrogen they need?
- 10. Can humans survive long periods of time (months and years) without water?
A) Yes
B) No
- 11. True or false. Water is necessary for all life.
A) True
B) False
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