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DSST Environmental Sciences Vocab

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An environmental factor that causes a population to decrease






2. The issue where humans don't take care of the Earth.






3. A measure of human demand on the Earth's ecosystems






4. Illegal killing or removal of wildlife from their habitats






5. The rate of which a plant grows at






6. Farmers who raise food and animals mainly to feed their own families






7. Countries with less productive economies and a lower quality of life






8. Organism that is killed






9. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






10. The effect of the IV






11. Something that does not completely break down into the soil






12. A nonliving part of an organism's habitat






13. When a large fraction of the resource has been used up






14. A relationship in which one species benefits and the other is neither helped nor harmed






15. Resources supplied by nature






16. The degree of hotness or coldness of a body or environment






17. The number of different species in an area






18. A carnivore that feeds on the bodies of dead organisms






19. Liphids - proteins - and carbohydrates






20. Organism that does the killing






21. A chart with bars






22. An organism that obtains energy by feeding on other organisms






23. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






24. The act of restricting your food intake (or your intake of particular foods)






25. The study of how living and nonliving things interact






26. The variable that you manipulate






27. The largest population that an area can support






28. An environment that provides the things an organism needs to live - grow and reproduce






29. The series of changes that occur in an area where no soil or organisms exist






30. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






31. A living part of an organism's habitat






32. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






33. A species that could become endangered in the near future






34. An organism's particular role - or how it makes its living






35. The process by which molecules of liquid absorb energy and change to gas






36. Possible to use again






37. A material that cannot be recycled or reused






38. An organism that can make it's own food






39. Any form of water that falls to the Earth's surface






40. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






41. A graph that uses line segments to show changes that occur over time






42. The study of the impact of humans on the environment






43. The number of different species in a given area






44. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






45. The process of changing free nitrogen gas into a usable form






46. In an experiment - the group of participants that recieves the manipulation






47. A resource that is able to be reused - or can be replenished quickly






48. Heat from the Earth's interior






49. Moving into a population






50. A natural resource that is not replaced in a useful time frame