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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 effect of the IV






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






3. Leaving a population






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






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






6. A consumer that eats both plants and animals






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






8. Moving into a population






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






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






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






12. Illegal killing or removal of wildlife from their habitats






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






14. The number of different species in an area






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






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






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






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






19. The rate of which a plant grows at






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






21. The amount of food production in a given area






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






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






24. Resources supplied by nature






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






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






27. A chart with bars






28. Water stored in underground layers of soil and rock






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






30. The study of how living and nonliving things interact






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






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






33. An organism that can make it's own food






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






35. A species that could become endangered in the near future






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






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






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






39. The largest population that an area can support






40. The movement or organisms from one place to another






41. Anything in the environment that is used by people






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






43. A close relationship between two species that benefits at least one of them






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






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






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






47. A consumer that eats only animals






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






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






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