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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 organism that benefits by living on or in a host






2. Countries with strong economies and a high quality of life






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






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






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






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






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






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






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






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






11. The rate of which a plant grows at






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






13. An organism that breaks down wastes and dead organisms






14. Organism that is killed






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






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






17. Type of graph most often used for categorical data






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






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






20. Liphids - proteins - and carbohydrates






21. Organism that does the killing






22. A species that influences the survival of many others in an ecosystem






23. A relationship in which both species benefit






24. People who survive by searching for wild plants and animals; always move in small groups






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






26. Possible to use again






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






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






29. The variable that you manipulate






30. Anything in the environment that is used by people






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






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






33. Water stored in underground layers of soil and rock






34. The study of how living and nonliving things interact






35. Flaw in design of procedure






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






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






38. A chart with bars






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






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






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






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






43. Moving into a population






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






45. A consumer that eats only animals






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






47. The largest population that an area can support






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






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






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