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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. Organism that is killed






2. A nonliving part of an organism's habitat






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






4. An interaction in which one organism kills and eats another






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






6. A consumer that eats only animals






7. Countries with strong economies and a high quality of life






8. The group that does not receive the experimental treatment.






9. A living part of an organism's habitat






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






11. Anything that harms an organism






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






13. The largest population that an area can support






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






15. The pattern of overlapping food chains in an ecosystem.






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






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






18. The study of how living and nonliving things interact






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






20. Resources supplied by nature






21. Mass destruction of most species






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






23. The rate of which a plant grows at






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






25. Possible to use again






26. The amount of food production in a given area






27. The process of cutting down only some trees in area






28. A resource that is not able to be reused - or cannot be replenished quickly






29. A state of poor nutrition; lacking enough calories or variety in diet






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






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






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






33. The practice of reducing energy use






34. A consumer that eats both plants and animals






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






36. The community of organisms that live in a particular area along with their nonliving surroundings






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






38. Liphids - proteins - and carbohydrates






39. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






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






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






42. Capable of being broken down by bacteria or other decomposers






43. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






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






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






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






47. A material that cannot be recycled or reused






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






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






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