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






2. The first species to populate the area






3. Organism that is killed






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






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






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






7. A living part of an organism's habitat






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






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






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






11. A consumer that eats both plants and animals






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






13. The amount of food production in a given area






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






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






16. The movement or organisms from one place to another






17. Possible to use again






18. Heat from the Earth's interior






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






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






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






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






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






24. The practice of reducing energy use






25. The rate of which a plant grows at






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






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






28. The largest population that an area can support






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






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






31. Wheat -bairley -corn....carbohydrates






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






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






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






35. The number of different species in a given area






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






37. Anything that harms an organism






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






39. A consumer that eats only animals






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






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






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






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






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






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






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






47. The group that does not receive the experimental treatment.






48. The organism that the parasite lives in or on






49. An environmental factor that causes a population to decrease






50. Flaw in design of procedure