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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. Organism that is killed






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






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






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






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






6. The amount of food production in a given area






7. Possible to use again






8. Moving into a population






9. Type of graph most often used for categorical data






10. A consumer that eats only animals






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






12. Resources supplied by nature






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






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






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






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






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






18. The variable that you manipulate






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






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






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






22. The movement or organisms from one place to another






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






24. The practice of reducing energy use






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






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






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






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






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






30. A nonliving part of an organism's habitat






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






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






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






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






35. Rice - corn - potatos - wheat - soy beans






36. Anything that harms an organism






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






38. The first species to populate the area






39. Something that breaks down into soil






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






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






42. The group that does not receive the experimental treatment.






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






44. The rate of which a plant grows at






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






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






47. Mistake in following procedure






48. The organism that the parasite lives in or on






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






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