Ch. 7 Lesson 4 p. 182-185
- 1. Which kind of nitrogen do organisms need?
A) fixed
B) free
- 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) True
B) False
- 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) evaporation
B) condensation
C) transipiration
D) liquidation
- 6. What are three ways that water gets into the air?
A) Transipiration
B) Breathing
C) All of these are ways that water gets into the air.
D) Evaporation
- 7. What is the most common element in all living things?
A) Nitrogen
B) Carbon
C) Water
D) Oxygen
- 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
|
תלמידים שפתרו תרגול זה פתרו גם :