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






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






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






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






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






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






7. Illegal killing or removal of wildlife from their habitats






8. Organism that does the killing






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






10. A consumer that eats both plants and animals






11. The movement or organisms from one place to another






12. The amount of food production in a given area






13. The number of different species in a given area






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






15. Wheat -bairley -corn....carbohydrates






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






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






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






19. A nonliving part of an organism's habitat






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






21. The number of different species in an area






22. Flaw in design of procedure






23. A living part of an organism's habitat






24. Anything that harms an organism






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






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






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






28. The effect of the IV






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






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






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






32. The rate of which a plant grows at






33. A material that cannot be recycled or reused






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






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






36. All the members of one species in a particular area






37. The organism that the parasite lives in or on






38. An organism that breaks down wastes and dead organisms






39. The practice of reducing energy use






40. Organism that is killed






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






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






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






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






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






46. Resources supplied by nature






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






48. A resource that is either always available or is naturally replaced in a relatively short time






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






50. Heat from the Earth's interior