Test your basic knowledge |

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 community of organisms that live in a particular area along with their nonliving surroundings






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






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






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






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






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






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






8. A living part of an organism's habitat






9. The variable that you manipulate






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






11. Moving into a population






12. A nonliving part of an organism's habitat






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






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






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






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






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






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






19. Leaving a population






20. Wheat -bairley -corn....carbohydrates






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






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






23. The organism that the parasite lives in or on






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






25. The practice of reducing energy use






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






27. Resources supplied by nature






28. People who survive by searching for wild plants and animals; always move in small groups






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






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






31. The study of how living and nonliving things interact






32. A material that cannot be recycled or reused






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






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






35. A chart with bars






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






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






38. A consumer that eats both plants and animals






39. A graph that highlights segments of a circle to show simple distribution patterns






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






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






42. Anything in the environment that is used by people






43. Water stored in underground layers of soil and rock






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






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






46. Organism that does the killing






47. A consumer that eats only animals






48. Illegal killing or removal of wildlife from their habitats






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






50. A consumer that eats only plants