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






2. The amount of food production in a given area






3. Organism that is killed






4. The variable that you manipulate






5. A consumer that eats only plants






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






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






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






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






10. Mass destruction of most species






11. Heat from the Earth's interior






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






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






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






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






16. The organism that the parasite lives in or on






17. Water stored in underground layers of soil and rock






18. The practice of reducing energy use






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






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






21. The first species to populate the area






22. A consumer that eats both plants and animals






23. The effect of the IV






24. Resources supplied by nature






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






26. An environmental factor that causes a population to decrease






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






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






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






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






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






32. Wheat -bairley -corn....carbohydrates






33. Flaw in design of procedure






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






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






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






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






38. The largest population that an area can support






39. An organism that breaks down wastes and dead organisms






40. Liphids - proteins - and carbohydrates






41. The continuous process by which water moves from Earth's surface to the atmosphere and back






42. A consumer that eats only animals






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






44. The movement or organisms from one place to another






45. Anything in the environment that is used by people






46. Organism that does the killing






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






48. The number of different species in an area






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






50. Leaving a population







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