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






2. Wheat -bairley -corn....carbohydrates






3. The act of restricting your food intake (or your intake of particular foods)






4. A relationship in which both species benefit






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






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






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






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






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






10. Flaw in design of procedure






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






12. Mistake in following procedure






13. The rate of which a plant grows at






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






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






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






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






18. The largest population that an area can support






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






20. Anything that harms an organism






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






22. The number of different species in an area






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






24. Type of graph most often used for categorical data






25. Anything in the environment that is used by people






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






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






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






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






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






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






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






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






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






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






36. An organism that breaks down wastes and dead organisms






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






38. A consumer that eats both plants and animals






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






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






41. A living part of an organism's habitat






42. The process of changing free nitrogen gas into a usable form






43. Illegal killing or removal of wildlife from their habitats






44. The issue where humans don't take care of the Earth.






45. The number of different species in a given area






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






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






48. Organism that does the killing






49. Resources supplied by nature






50. The amount of food production in a given area