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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. A carnivore that feeds on the bodies of dead organisms






3. The study of how living and nonliving things interact






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






5. Water stored in underground layers of soil and rock






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






7. Liphids - proteins - and carbohydrates






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






9. The rate of which a plant grows at






10. Something that breaks down into soil






11. A nonliving part of an organism's habitat






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






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






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






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






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






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






18. Moving into a population






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






20. Mass destruction of most species






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






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






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






24. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






25. The number of different species in an area






26. A chart with bars






27. Organism that is killed






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






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






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






31. Countries with less productive economies and a lower quality of life






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






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






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






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






36. The movement or organisms from one place to another






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






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






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






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. Resources supplied by nature






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






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






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






45. A relationship in which both species benefit






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






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






48. Flaw in design of procedure






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






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