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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. A carnivore that feeds on the bodies of dead organisms






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






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






4. The organism that the parasite lives in or on






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






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






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






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






9. Resources supplied by nature






10. The movement or organisms from one place to another






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






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






13. Struggle between organisms to survive in a habitat with limited resources






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






15. Heat from the Earth's interior






16. A consumer that eats both plants and animals






17. Water stored in underground layers of soil and rock






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






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






20. The largest population that an area can support






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






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






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






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






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






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






27. Type of graph most often used for categorical data






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






29. A material that cannot be recycled or reused






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






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






32. A nonliving part of an organism's habitat






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






34. An environment that provides the things an organism needs to live - grow and reproduce






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






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






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






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






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






40. A chart with bars






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






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






43. Mistake in following procedure






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






45. Liphids - proteins - and carbohydrates






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






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






48. Anything that harms an organism






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






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