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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. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






3. The variable that you manipulate






4. A close relationship between two species that benefits at least one of them






5. A higer demand of that limited product the the price goes up






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






7. Flaw in design of procedure






8. Struggle between organisms to survive in a habitat with limited resources






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






10. People who survive by searching for wild plants and animals; always move in small groups






11. A species in danger of becoming extinct in the near future






12. A relationship that involves one organism living on or inside another organism and harming it






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






14. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






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






17. Wheat -bairley -corn....carbohydrates






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






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






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






21. Water stored in underground layers of soil and rock






22. The largest population that an area can support






23. The series of predictable changes that occur in a community over time






24. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






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






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






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






28. A study that compares the costs and benefits to society of providing a public good






29. Illegal killing or removal of wildlife from their habitats






30. Moving into a population






31. A habitat in which the freshwater of a river meets the salt water of an ocean






32. A relationship in which both species benefit






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






34. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






35. A nonliving part of an organism's habitat






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






37. The effect of the IV






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






39. A series of events in which one organism eats another and obtains energy






40. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






41. Behaviors and physical characteristics of species that allow them to live successfully in their environment






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






43. A graph that highlights segments of a circle to show simple distribution patterns






44. A group of land ecosystems with similar climates and organisms






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






46. A chart with bars






47. The continuous process by which water moves from Earth's surface to the atmosphere and back






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






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






50. An environmental factor that causes a population to decrease