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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. Liphids - proteins - and carbohydrates






2. Mass destruction of most species






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






4. The number of different species in an area






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






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






7. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






8. A material that cannot be recycled or reused






9. Anything that harms an organism






10. A consumer that eats only plants






11. Organism that does the killing






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






13. The disappearance of all members of a species from Earth






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






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






16. The first species to populate the area






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






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






19. Leaving a population






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






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






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






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






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






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






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






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






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






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






30. Type of graph most often used for categorical data






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






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






33. Mistake in following procedure






34. Wheat -bairley -corn....carbohydrates






35. A graph that uses dots to compare rate of change over time






36. The practice of reducing energy use






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






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






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






40. The amount of food production in a given area






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






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






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






44. The variable that you manipulate






45. A chart with bars






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






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






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






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






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