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






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






3. The practice of reducing energy use






4. Liphids - proteins - and carbohydrates






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






6. An organism's particular role - or how it makes its living






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






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






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






10. The number of different species in an area






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






12. Water stored in underground layers of soil and rock






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






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






15. Anything that harms an organism






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






17. All the different populations that live together in an area






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






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






20. A chart with bars






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






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






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






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






25. Wheat -bairley -corn....carbohydrates






26. The variable that you manipulate






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






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






29. An organism that breaks down wastes and dead organisms






30. Illegal killing or removal of wildlife from their habitats






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






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






33. The organism that the parasite lives in or on






34. Organism that is killed






35. A consumer that eats both plants and animals






36. A material that cannot be recycled or reused






37. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






38. A species in danger of becoming extinct in the near future






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






40. Something that breaks down into soil






41. Moving into a population






42. An environmental factor that causes a population to decrease






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






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






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






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






47. A relationship in which both species benefit






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






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






50. Resources supplied by nature