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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 organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






2. Anything in the environment that is used by people






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






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






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






6. The largest population that an area can support






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






8. The effect of the IV






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






10. A nonliving part of an organism's habitat






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






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






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






14. The movement or organisms from one place to another






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






16. Illegal killing or removal of wildlife from their habitats






17. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






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






19. A consumer that eats only animals






20. Mass destruction of most species






21. Liphids - proteins - and carbohydrates






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






23. Heat from the Earth's interior






24. A chart with bars






25. Something that breaks down into soil






26. The practice of reducing energy use






27. The variable that you manipulate






28. Flaw in design of procedure






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






30. The rate of which a plant grows at






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






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






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






34. The organism that the parasite lives in or on






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






36. The number of different species in an area






37. Water stored in underground layers of soil and rock






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






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






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






41. The amount of food production in a given area






42. A living part of an organism's habitat






43. A consumer that eats both plants and animals






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






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






46. An organism that obtains energy by feeding on other organisms






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






48. Organism that is killed






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






50. A material that cannot be recycled or reused