2022 ENVIRONMENT AND NATURAL RESOURCES EXAM

1. All the ecosystems of the Earth, when considered as a whole, are called the ___________.

• a. Atmosphere
• b. Biomass
• c. Biosphere
• d. Rhizosphere

2. Which of the following processes produces oxygen for an ecosystem?

• a. Digestion
• b. Decomposition
• c. Photosynthesis
• d. Respiration

3. Which process takes place within the individual cells of plants and animals, involving the breakdown of foods into their components along with the release of energy?

• a. Digestion
• b. Decomposition
• c. Photosynthesis
• d. Respiration

4. Which is the most abundant element found in living organisms?

• a. Carbon
• b. Oxygen
• c. Nitrogen
• d. Water

5. Which is the most abundant element in the atmosphere?

• a. Carbon
• b. Oxygen
• c. Nitrogen
• d. Water

6. Plants give up large amounts of water to the atmosphere through a process called _________________.

• a. Evaporation
• b. Perspiration
• c. Respiration
• d. Transpiration

7. In environmental science, a "niche" refers to…

• a. When an ecosystem is damaged, but remnants of the former community still exist
• b. When one organism is more able to survive in an environment than another
• c. When an organism did not exist before in an environment but can now
• d. The role the organism fulfills in an environment

8. Primary succession occurs when…

• a. An ecosystem is damaged or partly destroyed
• b. Organisms live in an area where they did not live before
• c. Plants displace animals from an environment
• d. Remnants of a former community still exist

9. The ability of an organism to survive changes in an environment is a demonstration of its…

• a. Comfort zone
• b. Competitive exclusion principle
• c. Niche
• d. Range of tolerance

10. Which of the following forms of energy occurs as a result of photosynthesis?

• a. Chemical
• b. Electrical
• c. Kinetic
• d. Thermal