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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. Type of graph most often used for categorical data






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






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






4. A living part of an organism's habitat






5. The study of how living and nonliving things interact






6. Organism that does the killing






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






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






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






10. A material that cannot be recycled or reused






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






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






13. The amount of food production in a given area






14. The first species to populate the area






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






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






17. A consumer that eats both plants and animals






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






19. A series of events in which one organism eats another and obtains energy






20. Leaving a population






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






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






23. A nonliving part of an organism's habitat






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






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






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






27. The typical weather pattern in an area over a long period of time






28. The largest population that an area can support






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






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






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






32. A consumer that eats only animals






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






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






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






36. The variable that you manipulate






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






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






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






40. Organism that is killed






41. The organism that the parasite lives in or on






42. Possible to use again






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






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






45. Mass destruction of most species






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






47. Moving into a population






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






49. An environmental factor that causes a population to decrease






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