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






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






3. The number of different species in an area






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






5. The effect of the IV






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






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






8. The rate of which a plant grows at






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






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






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






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






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






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






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






16. Organism that is killed






17. A consumer that eats only animals






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






19. A living part of an organism's habitat






20. A consumer that eats only plants






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






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






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






24. Resources supplied by nature






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






26. A higer demand of that limited product the the price goes up






27. A chart with bars






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






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






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






31. A nonliving part of an organism's habitat






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






33. The practice of reducing energy use






34. Moving into a population






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






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






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






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






39. Mistake in following procedure






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






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






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






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






44. The largest population that an area can support






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






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






47. Anything that harms an organism






48. Organism that does the killing






49. The amount of food production in a given area






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






Can you answer 50 questions in 15 minutes?



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