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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. Capable of being broken down by bacteria or other decomposers






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






3. Organism that is killed






4. Something that breaks down into soil






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






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






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






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






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






10. When a large fraction of the resource has been used up






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






12. Flaw in design of procedure






13. A nonliving part of an organism's habitat






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






15. The first species to populate the area






16. The effect of the IV






17. The number of different species in an area






18. In an experiment - the group of participants that recieves the manipulation






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






20. The number of different species in a given area






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






22. The practice of reducing energy use






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






24. The organism that the parasite lives in or on






25. A consumer that eats both plants and animals






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






27. Mistake in following procedure






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






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






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






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






32. The study of how living and nonliving things interact






33. Heat from the Earth's interior






34. The amount of food production in a given area






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






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






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






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






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






40. Leaving a population






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






42. The largest population that an area can support






43. Illegal killing or removal of wildlife from their habitats






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






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






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






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






48. An environmental factor that causes a population to decrease






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






50. Moving into a population






Can you answer 50 questions in 15 minutes?



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