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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 species in danger of becoming extinct in the near future






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






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






4. A relationship in which both species benefit






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






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






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






8. A nonliving part of an organism's habitat






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






10. Type of graph most often used for categorical data






11. The study of how living and nonliving things interact






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






13. Heat from the Earth's interior






14. A consumer that eats both plants and animals






15. Water stored in underground layers of soil and rock






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






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






18. Mistake in following procedure






19. The first species to populate the area






20. The number of different species in an area






21. Possible to use again






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






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






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






25. An organism that breaks down wastes and dead organisms






26. A consumer that eats only plants






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






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






29. The process in which the changes that make organisms better suited to their environments develop






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






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






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






33. The number of different species in a given area






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






35. Rice - corn - potatos - wheat - soy beans






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






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






38. The largest population that an area can support






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






40. An environmental factor that causes a population to decrease






41. Anything that harms an organism






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






43. A material that cannot be recycled or reused






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






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






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






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






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






49. The organism that the parasite lives in or on






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