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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. Countries with strong economies and a high quality of life






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






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






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






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






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






7. Resources supplied by nature






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






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






10. Illegal killing or removal of wildlife from their habitats






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






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






13. The effect of the IV






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






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






16. A living part of an organism's habitat






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






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






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






20. Anything in the environment that is used by people






21. A nonliving part of an organism's habitat






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






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






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






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






26. All the members of one species in a particular area






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






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






29. A study that compares the costs and benefits to society of providing a public good






30. A consumer that eats only plants






31. Organism that is killed






32. A relationship in which both species benefit






33. The variable that you manipulate






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






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






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






37. Any form of water that falls to the Earth's surface






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






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






40. The organism that benefits by living on or in a host






41. Liphids - proteins - and carbohydrates






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






43. Wheat -bairley -corn....carbohydrates






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






45. Type of graph most often used for categorical data






46. The number of different species in an area






47. A chart with bars






48. The first species to populate the area






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






50. The rate of which a plant grows at