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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 pattern of overlapping food chains in an ecosystem.






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






3. Wheat -bairley -corn....carbohydrates






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






5. Organism that does the killing






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






7. Leaving a population






8. A consumer that eats only animals






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






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






11. Heat from the Earth's interior






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






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






14. Something that breaks down into soil






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






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






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






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






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






20. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






21. The rate of which a plant grows at






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






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






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






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






26. The study of how living and nonliving things interact






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






28. The variable that you manipulate






29. Anything that harms an organism






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






31. The process by which a gas changes to a liquid






32. The effect of the IV






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






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






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






36. A material that cannot be recycled or reused






37. Liphids - proteins - and carbohydrates






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






39. A consumer that eats only plants






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






41. The first species to populate the area






42. Mistake in following procedure






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






44. Organism that is killed






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






46. The number of different species in an area






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






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






49. A study that compares the costs and benefits to society of providing a public good






50. Mass destruction of most species







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