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






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






3. The organism that the parasite lives in or on






4. Wheat -bairley -corn....carbohydrates






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






6. The number of different species in an area






7. Anything that harms an organism






8. Organism that is killed






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






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






11. Leaving a population






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






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






14. A chart with bars






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






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






17. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






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






19. Countries with strong economies and a high quality of life






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






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






22. The largest population that an area can support






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






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






25. A resource that is able to be reused - or can be replenished quickly






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






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






28. The movement or organisms from one place to another






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






30. A consumer that eats both plants and animals






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






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






33. An organism that breaks down wastes and dead organisms






34. Organism that does the killing






35. Mistake in following procedure






36. Heat from the Earth's interior






37. Flaw in design of procedure






38. The variable that you manipulate






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






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






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






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






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






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






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






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






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






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






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






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