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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 series of changes that occur in an area where no soil or organisms exist






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






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






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






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






6. The study of how living and nonliving things interact






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






8. A nonliving part of an organism's habitat






9. Resources supplied by nature






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






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






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






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






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






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






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






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






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






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






20. Organism that does the killing






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






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






23. A chart with bars






24. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






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






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






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






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






29. The effect of the IV






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






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






32. A consumer that eats both plants and animals






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






34. Illegal killing or removal of wildlife from their habitats






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






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






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






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






39. The variable that you manipulate






40. The number of different species in an area






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






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






43. Mistake in following procedure






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






45. Moving into a population






46. A relationship in which both species benefit






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






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






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






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