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Environmental Sciences Quiz 186 (20 MCQs)

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1. The hydrosphere includes all of the gasses that we breathe. True or False
2. In which of the following aquatic ecosystems are both littoral and benthic zones most likely found?
3. What represents Earth's "modern commons" ?
4. ..... refers to both the vast numbers of different species as well as the diversity within a species. The greater the ..... within a species, the greater that species' chances of long-term survival.
5. A glacier in Alaska has melted back a distance of 100 kilometers over the last 200 years. four stages in the process are shown in diagrams A, B, C, and D above. In which order should the diagrams be placed to represent the ecological succession that has taken place in the area?
6. ..... are macromolecules that can act as hormones, serve as enzymes, and promote chemical reactions
7. Unstitched material is called
8. Species become vulnerable to extinction when
9. Water sticking to another water molecule is called
10. Insects and wind pollinate plants and trees which is essential for the development of fruits, vegetables and seeds.
11. Philosophical branch that involves the study of behavior:good/bad, right/wrong.
12. Which is not a greenhouse gas?
13. These services are any type of material or physical product that can be extracted (taken) from nature
14. Grasslands and savannas are biomes that are very valuable as areas for farming and grazing livestock. In the United States these biomes are most commonly found in the
15. In the food chain pictured, what type of organism is the bird?
16. Trees are this.
17. Are animals that feed on grass, multicellular organisms like algae, and other low-lying vegetation.
18. What is the most plentiful fossil fuel?
19. A power company is given free land by the government to reduce the cost of providing wind-generated electricity to rural residents. This is an example of a
20. Layers of sand, gravel, or rock lying below the water table are called
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