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






2. Wheat -bairley -corn....carbohydrates






3. The effect of the IV






4. Anything that harms an organism






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






6. A living part of an organism's habitat






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






8. The variable that you manipulate






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






10. An organism that breaks down wastes and dead organisms






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






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






13. A nonliving part of an organism's habitat






14. Leaving a population






15. Something that breaks down into soil






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






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






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






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






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






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






22. The organism that the parasite lives in or on






23. Possible to use again






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






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






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






27. Mass destruction of most species






28. Liphids - proteins - and carbohydrates






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






30. The movement or organisms from one place to another






31. An environmental factor that causes a population to decrease






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






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






34. The first species to populate the area






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






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






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






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






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






40. A group of land ecosystems with similar climates and organisms






41. A relationship in which both species benefit






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






43. The rate of which a plant grows at






44. A consumer that eats only plants






45. Resources supplied by nature






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






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






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






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






50. The amount of food production in a given area