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






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






3. The rate of which a plant grows at






4. The study of how living and nonliving things interact






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






6. The number of different species in a given area






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






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






9. Heat from the Earth's interior






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






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






12. A species in danger of becoming extinct in the near future






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






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






15. Water stored in underground layers of soil and rock






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






17. Illegal killing or removal of wildlife from their habitats






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






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






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






21. Something that breaks down into soil






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






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






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






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






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






27. The movement or organisms from one place to another






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






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






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






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






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






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






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






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






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






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






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






39. Type of graph most often used for categorical data






40. A study that compares the costs and benefits to society of providing a public good






41. Mass destruction of most species






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






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






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






45. The practice of reducing energy use






46. Wheat -bairley -corn....carbohydrates






47. A relationship in which both species benefit






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






49. Organism that does the killing






50. Possible to use again