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Environmental Biology MCQ

Environmental Biology

1. The book our stolen future was important because it ________.

Answer

Correct Answer: Was the first book to focus on the impacts of endocrine-disrupting chemicals

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2. Precipitation occurs on the __________ of the mountain range, while the __________ is dry.

Answer

Correct Answer: Windward side; leeward side

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3. In developing nations, such as india and nigeria, ________.

Answer

Correct Answer: Rural people are moving to the cities in large numbers

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4. Pcb contamination of the environment ________.

Answer

Correct Answer: Is a continuing problem because PCBs are non-biodegradable and persist in the environment.

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5. The energy content and biomass of ________ is lowest in any food web.

Answer

Correct Answer: Top carnivores

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6. When populations approach their carrying capacity, their resources ________.

Answer

Correct Answer: Become more scarce as growth rate becomes zero

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7. During the past half-century, global food production has ________ world population growth.

Answer

Correct Answer: Grown at a faster rate than

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8. Desert regions occur __________, and always have a(n) __________ climate zone adjacent to them.

Answer

Correct Answer: On every continent; steppe

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9. The sustainable use of rainforest resources is exemplified by _______.

Answer

Correct Answer: Harvesting nuts

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10. Zonation in aquatic zones includes all of the following except the ________ zone.

Answer

Correct Answer: Detritus.

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11. The largest pool of carbon in the carbon cycle is ________.

Answer

Correct Answer: Sedimentary rock

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12. Mercury is to methylmercury as ddt is to ________.

Answer

Correct Answer: DDE

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13. Air pollution is best defined as ________

Answer

Correct Answer: Gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures

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14. The ecological footprint of the united states ______.

Answer

Correct Answer: Shows that Americans consume a disproportionate amount of food and fuel

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15. The concept of the trophic pyramid reflects ________________.

Answer

Correct Answer: The fact that each transfer of energy as you move up the food web results in a loss of about 90%

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16. Most of the forests in the united states are _____..

Answer

Correct Answer: Secondary forest

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17. Human activities such as the ____________ release large quantities of sulfur.

Answer

Correct Answer: Burning of fossil fuels.

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18. Considering both biotic and abiotic components of the environment is characteristic of _______.

Answer

Correct Answer: Is an example of local biological wastewater treatment plant.

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19. Conservation biologists define a region as a biodiversity hotspot if ________.

Answer

Correct Answer: There is an unusually large number of endemic species threatened by humans

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20. All organisms in the kingdom _________ must be viewed using a microscope.

Answer

Correct Answer: Archaebacteria

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21. All forms of life on earth are linked together in relationships involving _____.

Answer

Correct Answer: Food

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22. All earth systems are connected through _____.

Answer

Correct Answer: 4

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23. All animals are _______.

Answer

Correct Answer: Consumers

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24. A trophic cascade is the effect of ________ on ________.

Answer

Correct Answer: Top consumers; abundance of lower consumers

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25. A niche specialist is ________.

Answer

Correct Answer: More likely to go extinct than a niche generalist

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26. When technology is available, the next step in dr. cattolico?s research will be _______.

Answer

Correct Answer: Increasing the amount of algae grown at one time

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