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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. A carnivore that feeds on the bodies of dead organisms






2. The first species to populate the area






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






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






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






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






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






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






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






10. The amount of food production in a given area






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






12. Organism that is killed






13. Type of graph most often used for categorical data






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






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






16. Wheat -bairley -corn....carbohydrates






17. A living part of an organism's habitat






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






19. Water stored in underground layers of soil and rock






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






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






22. A consumer that eats both plants and animals






23. A chart with bars






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






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






26. The number of different species in a given area






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






28. Something that breaks down into soil






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






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






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






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






33. A nonliving part of an organism's habitat






34. Organism that does the killing






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






36. The variable that you manipulate






37. Anything that harms an organism






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






39. The effect of the IV






40. Flaw in design of procedure






41. A graph that highlights segments of a circle to show simple distribution patterns






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






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






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






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






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






47. Illegal killing or removal of wildlife from their habitats






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






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






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