31 Jan D. Cellular respiration

Question 1

1. Which of the following destroys ozone molecules leading to more harmful ultraviolet (UV) rays reaching Earth’s surface?

A. Smog

B. Carbon dioxide

C. Acid rain

D. CFCs

Question 2

2. The first species that colonizes new or undisturbed land is called a _______ species.

A. predecessor

B. primary

C. pioneer

D. premier

Question 3

3. Which biome has been most impacted by logging?

A. Taiga

B. Tundra

C. Grassland

D. Temperate rain forest

Question 4

4. Which biome is home to half of Earth’s species?

A. Grassland

B. Taiga

C. Tropical rain forest

D. Temperate deciduous forest

Question 5

5. When the single source of pollution can be identified, it’s called

A. runoff.

B. point-source pollution.

C. waste.

D. nonpoint-source pollution.

Question 6

6. On average, how much trash does each person in the United States generate each day?

A. 2.1 kg

B. 1.2 kg

C. 3.2 g

D. 4.1 kg

Question 7

7. Which aquatic ecosystem is home to more than one-third of North American bird species?

A. Rivers and streams

B. Wetland

C. Estuary

D. Ponds and lakes

Question 8

8. Which biome contains permafrost?

A. Temperate rain forest

B. Tundra

C. Taiga

D. Temperate deciduous forest

Question 9

9. The end result of aquatic succession is which of the following?

A. New organisms enter the body of water.

B. The body of water reaches its carrying capacity.

C. The body of water disappears and the area becomes land.

D. The body of water becomes polluted.

Question 10

10. When land has been overfarmed or overgrazed, _______ occurs.

A. desertification

B. wasteland

C. deforestation

D. underdevelopment

Question 11

11. What do we call the process of increased development around cities?

A. Population sprawl

B. Urban sprawl

C. Developmental expansion

D. Suburban expansion

Question 12

12. Which of the following does not contribute to increased air quality?

A. The Clean Air Act

B. Use of CFCs

C. Energy-efficient appliances

D. Hybrid cars

Question 13

13. Which of the following is not an effort to increase land resources?

A. Reforestation

B. Mining

C. Composting

D. Reclamation

Question 14

14. Which of the following is not one of the “5Rs”?

A. Reinvent

B. Rethink

C. Reduce

D. Recycle

Question 15

15. Coal and natural gas are examples of

A. essential elements.

B. renewable resources.

C. non-recyclable matter.

D. nonrenewable resources.

Question 16

16. Which of the following is not an effect of deforestation?

A. Poor soil quality

B. Poor air quality

C. Destruction of habitat

D. Increased food supply

Question 17

17. If land was cleared 100 years ago for farming and has recently returned to its natural state, covered with plants and trees, what has taken place?

A. Evolutionary succession

B. Primary succession

C. Ecological succession

D. Secondary succession

Question 18

18. Which of the following is a natural result of overpopulation?

A. The food runs out and individuals in the population starve.

B. Abiotic factors change to automatically increase the carrying capacity.

C. The individuals in the population become healthier.

D. An immediate decrease in predators of the population.

Question 19

19. Which of the following does not increase carbon dioxide levels in the atmosphere?

A. Photosynthetic organisms

B. Death of an organism

C. Burning fossil fuels

D. Cellular respiration

Question 20

20. Which aquatic ecosystem typically forms along coastlines where fresh water and salt water meet, leading to varying degrees of salinity?

A. Open ocean

B. Estuary

C. Coastal ocean

D. Wetlands