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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 act of restricting your food intake (or your intake of particular foods)






2. The movement or organisms from one place to another






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






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






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






6. Illegal killing or removal of wildlife from their habitats






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






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






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






10. Mistake in following procedure






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






12. An organism that breaks down wastes and dead organisms






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






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






15. Water stored in underground layers of soil and rock






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






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






18. The largest population that an area can support






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






20. The amount of food production in a given area






21. Moving into a population






22. Heat from the Earth's interior






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






24. Type of graph most often used for categorical data






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






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






27. The effect of the IV






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






29. Something that breaks down into soil






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






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






32. A consumer that eats only plants






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






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






35. Liphids - proteins - and carbohydrates






36. Any form of water that falls to the Earth's surface






37. Flaw in design of procedure






38. The number of different species in an area






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






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






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






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






43. The study of how living and nonliving things interact






44. Mass destruction of most species






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






46. The practice of reducing energy use






47. Organism that does the killing






48. Wheat -bairley -corn....carbohydrates






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






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