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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. An interaction in which one organism kills and eats another






2. Wheat -bairley -corn....carbohydrates






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






4. Mass destruction of most species






5. A chart with bars






6. Anything in the environment that is used by people






7. The number of different species in an area






8. A state of poor nutrition; lacking enough calories or variety in diet






9. A consumer that eats only plants






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






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






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






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






14. Heat from the Earth's interior






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






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






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






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






19. Type of graph most often used for categorical data






20. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






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






22. The amount of food production in a given area






23. Moving into a population






24. Something that breaks down into soil






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






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






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






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






29. The rate of which a plant grows at






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






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






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






33. Organism that is killed






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






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






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






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






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






39. The movement or organisms from one place to another






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






41. A consumer that eats only animals






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






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






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






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






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






47. A series of events in which one organism eats another and obtains energy






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






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






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