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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 group of land ecosystems with similar climates and organisms






2. Organism that does the killing






3. Heat from the Earth's interior






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






5. An environmental factor that causes a population to decrease






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






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






8. Organism that is killed






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






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






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






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






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






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






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






16. The series of changes that occur in an area where no soil or organisms exist






17. The largest population that an area can support






18. The number of different species in a given area






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






20. Resources supplied by nature






21. A relationship in which one species benefits and the other is neither helped nor harmed






22. The study of how living and nonliving things interact






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






24. Wheat -bairley -corn....carbohydrates






25. The process by which a gas changes to a liquid






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






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






28. A material that cannot be recycled or reused






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






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






31. The number of different species in an area






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






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






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






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






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






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






38. Possible to use again






39. The organism that the parasite lives in or on






40. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






41. The practice of reducing energy use






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






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






44. Anything that harms an organism






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






46. Mass destruction of most species






47. The rate of which a plant grows at






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






49. A consumer that eats only animals






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