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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 amount of food production in a given area






2. The first species to populate the area






3. Liphids - proteins - and carbohydrates






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






5. The organism that the parasite lives in or on






6. Anything in the environment that is used by people






7. The rate of which a plant grows at






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






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






10. The number of different species in a given area






11. A grid that displays the data plotted in a chart.






12. A chart with bars






13. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






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






15. A habitat in which the freshwater of a river meets the salt water of an ocean






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






17. Illegal killing or removal of wildlife from their habitats






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






19. A relationship in which both species benefit






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






21. Anything that harms an organism






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






23. An organism that breaks down wastes and dead organisms






24. The effect of the IV






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






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






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






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






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






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






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






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






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






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






35. Mass destruction of most species






36. Organism that does the killing






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






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






39. The practice of reducing energy use






40. Possible to use again






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






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






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






44. A consumer that eats only animals






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






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






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






48. Leaving a population






49. The study of how living and nonliving things interact






50. A living part of an organism's habitat