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






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






4. The practice of reducing energy use






5. Type of graph most often used for categorical data






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






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






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






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






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






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






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






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






14. Illegal killing or removal of wildlife from their habitats






15. A consumer that eats only plants






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






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






18. A consumer that eats both plants and animals






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






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






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






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






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






24. The first species to populate the area






25. Anything in the environment that is used by people






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






27. In an experiment - the group of participants that recieves the manipulation






28. The variable that you manipulate






29. Moving into a population






30. Water stored in underground layers of soil and rock






31. Wheat -bairley -corn....carbohydrates






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






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






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






35. The study of how living and nonliving things interact






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






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






38. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






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






40. The amount of food production in a given area






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






42. Flaw in design of procedure






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






44. Resources supplied by nature






45. A living part of an organism's habitat






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






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






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






49. Organism that does the killing






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