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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. An organism that breaks down wastes and dead organisms






2. The amount of food production in a given area






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






4. A nonliving part of an organism's habitat






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






6. Moving into a population






7. A consumer that eats both plants and animals






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






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






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






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






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






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






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






15. Leaving a population






16. A consumer that eats only animals






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






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






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






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






21. A relationship in which both species benefit






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






23. Flaw in design of procedure






24. Type of graph most often used for categorical data






25. A material that cannot be recycled or reused






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






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






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






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






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






31. Resources supplied by nature






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






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






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






35. A consumer that eats only plants






36. The practice of reducing energy use






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






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






39. Something that breaks down into soil






40. The study of how living and nonliving things interact






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






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






43. Illegal killing or removal of wildlife from their habitats






44. Organism that is killed






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






46. The largest population that an area can support






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






48. The number of different species in an area






49. The rate of which a plant grows at






50. The effect of the IV