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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. The rate of which a plant grows at






2. Liphids - proteins - and carbohydrates






3. Heat from the Earth's interior






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






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






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






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






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






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






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






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






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






13. A chart with bars






14. Mass destruction of most species






15. The organism that the parasite lives in or on






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






17. An organism that breaks down wastes and dead organisms






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






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






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






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






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






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






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






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






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






27. A relationship in which both species benefit






28. A material that cannot be recycled or reused






29. The disappearance of all members of a species from Earth






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






31. Possible to use again






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






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






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






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






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






37. Leaving a population






38. The number of different species in a given area






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






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






41. The amount of food production in a given area






42. The largest population that an area can support






43. A nonliving part of an organism's habitat






44. Wheat -bairley -corn....carbohydrates






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






46. A graph that uses dots to compare rate of change over time






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






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






49. Flaw in design of procedure






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