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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. Moving into a population






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






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






4. The number of different species in an area






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






6. All the members of one species in a particular area






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






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






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






10. Liphids - proteins - and carbohydrates






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






12. Leaving a population






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






14. Possible to use again






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






16. An environmental factor that causes a population to decrease






17. Heat from the Earth's interior






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






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






20. Anything that harms an organism






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






22. Resources supplied by nature






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






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






25. The effect of the IV






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






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






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






29. Flaw in design of procedure






30. Something that breaks down into soil






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






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






33. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






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






35. The movement or organisms from one place to another






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






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






38. A chart with bars






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






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






41. Mass destruction of most species






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






43. A nonliving part of an organism's habitat






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






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






46. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






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






48. A natural resource that is not replaced in a useful time frame






49. A consumer that eats both plants and animals






50. Illegal killing or removal of wildlife from their habitats