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






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






3. A living part of an organism's habitat






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






5. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






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






7. The effect of the IV






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






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






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






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






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






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






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






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






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






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






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






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






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






21. Wheat -bairley -corn....carbohydrates






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






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






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






25. The first species to populate the area






26. A relationship in which one species benefits and the other is neither helped nor harmed






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






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






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






30. Possible to use again






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






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






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






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






35. A consumer that eats only animals






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






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






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






39. The amount of food production in a given area






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






41. Organism that does the killing






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






43. A consumer that eats only plants






44. A chart with bars






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






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






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






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






49. Mistake in following procedure






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