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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 that could become endangered in the near future






2. Heat from the Earth's interior






3. All the different populations that live together in an area






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






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






6. The practice of reducing energy use






7. The effect of the IV






8. Anything that harms an organism






9. The typical weather pattern in an area over a long period of time






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






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






12. A consumer that eats both plants and animals






13. A material that cannot be recycled or reused






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






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






16. Water stored in underground layers of soil and rock






17. The study of how living and nonliving things interact






18. The largest population that an area can support






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






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






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






22. Illegal killing or removal of wildlife from their habitats






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






24. The variable that you manipulate






25. Leaving a population






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






27. Flaw in design of procedure






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






29. A consumer that eats only plants






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






31. The organism that the parasite lives in or on






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






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






34. Mass destruction of most species






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






36. A relationship in which both species benefit






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. The rate of which a plant grows at






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






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






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






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






43. The amount of food production in a given area






44. The number of different species in a given area






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






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






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






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






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






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