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






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






3. The largest population that an area can support






4. A consumer that eats only animals






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






6. The first species to populate the area






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






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






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






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






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






12. A grid that displays the data plotted in a chart.






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






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






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






16. Type of graph most often used for categorical data






17. A consumer that eats only plants






18. Organism that is killed






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






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






21. The practice of reducing energy use






22. An environmental factor that causes a population to decrease






23. The organism that the parasite lives in or on






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






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






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






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






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






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






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






31. Flaw in design of procedure






32. Illegal killing or removal of wildlife from their habitats






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






34. Resources supplied by nature






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






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






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






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






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






40. The number of different species in a given area






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






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






43. Wheat -bairley -corn....carbohydrates






44. Something that breaks down into soil






45. Anything that harms an organism






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






47. A consumer that eats both plants and animals






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






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






50. The number of different species in an area