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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. Organism that is killed






2. The study of how living and nonliving things interact






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






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






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






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






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






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






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






10. Type of graph most often used for categorical data






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






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






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






14. The practice of reducing energy use






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






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






17. Illegal killing or removal of wildlife from their habitats






18. A living part of an organism's habitat






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






20. Something that breaks down into soil






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






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






23. Possible to use again






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






25. The organism that the parasite lives in or on






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






27. The variable that you manipulate






28. Mass destruction of most species






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






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






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






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






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






34. Moving into a population






35. The rate of which a plant grows at






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






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






38. The amount of food production in a given area






39. An organism that breaks down wastes and dead organisms






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






41. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






42. Something that does not completely break down into the soil






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






44. A material that cannot be recycled or reused






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






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






47. The largest population that an area can support






48. Organism that does the killing






49. The number of different species in an area






50. Anything that harms an organism