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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 organism that the parasite lives in or on






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






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






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






5. A material that cannot be recycled or reused






6. The number of different species in a given area






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






8. The study of how living and nonliving things interact






9. Moving into a population






10. A living part of an organism's habitat






11. A nonliving part of an organism's habitat






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






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






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






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






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






17. Possible to use again






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






19. The movement or organisms from one place to another






20. The process by which molecules of liquid absorb energy and change to gas






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






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






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






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






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






26. A consumer that eats both plants and animals






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






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






29. Illegal killing or removal of wildlife from their habitats






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






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






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






33. Resources supplied by nature






34. Countries with less productive economies and a lower quality of life






35. A consumer that eats only plants






36. The largest population that an area can support






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






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






39. The first species to populate the area






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






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






42. Countries with strong economies and a high quality of life






43. Mass destruction of most species






44. An environmental factor that causes a population to decrease






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






46. A relationship in which both species benefit






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






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






49. An organism that breaks down wastes and dead organisms






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