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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. The number of different species in a given area






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






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






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






5. The study of how living and nonliving things interact






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






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






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






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






10. The number of different species in an area






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






12. A consumer that eats only animals






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






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






15. Water stored in underground layers of soil and rock






16. A material that cannot be recycled or reused






17. A consumer that eats only plants






18. Resources supplied by nature






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






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






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






22. Anything in the environment that is used by people






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






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






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






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






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






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






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






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






31. Organism that is killed






32. Illegal killing or removal of wildlife from their habitats






33. Liphids - proteins - and carbohydrates






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






35. The rate of which a plant grows at






36. The variable that you manipulate






37. Type of graph most often used for categorical data






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






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






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






41. An organism that can make it's own food






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






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






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






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






46. The largest population that an area can support






47. A relationship in which both species benefit






48. Possible to use again






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






50. The movement or organisms from one place to another