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Chapter 16
Chapter 16 Quiz
Question | Answer |
---|---|
What are renewable resources? | resources that can replenish themselves over time |
What would Earth be like without the greenhouse effect? | It would be too cold to be habitable |
What factors interact to produce smog? | sunlight and pollutants from fossil fuels |
The pH of normal rain is what? | 5.6 |
Which level of the food chain is most effected by biomagnification? | tertiary consumers |
In what biome is biodiversity the highest? | tropical rain forests |
Protecting an umbrella species may lead to what? | protection of many other species |
Describe Earth's human carrying capacity? | increasing due to improved technology and medicine |
Why is firewood considered a renewable resource? | It can be replenished over time |
What causes the level of carbon dioxide in Earth's atmosphere to rise and fall over hundreds of thousands of years? | natural climate cycles |
Why is smog a more serious problem in the southern United States than in the northern United States? | Sunlight is more abundant in the southern United States. |
What has contributed to the depletion of fish populations worldwide? | catching reproduction-age fish |
What would happen if an ecosystem were to increase in its biodiversity? | increase the ecosystem's stability |
A predator might control an introduced species by doing what? | keeping the population from increasing |
How has the introduction of kudzu affected native species in the southeastern United States? | It has covered native plants, depriving them of sunlight |
Canned tuna made from small fish is generally considered to be safer to eat than canned tuna from large fish. Why? | due to biomagnifications, the larger fish would contain more toxins |