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






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






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






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






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






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






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






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






9. The rate of which a plant grows at






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






11. The variable that you manipulate






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






13. Flaw in design of procedure






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






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






16. The movement or organisms from one place to another






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






18. Liphids - proteins - and carbohydrates






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






20. The number of different species in an area






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






22. A relationship that involves one organism living on or inside another organism and harming it






23. A nonliving part of an organism's habitat






24. The practice of reducing energy use






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






26. Illegal killing or removal of wildlife from their habitats






27. In an experiment - the group of participants that recieves the manipulation






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






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






30. Water stored in underground layers of soil and rock






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






32. The disappearance of all members of a species from Earth






33. Moving into a population






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






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






36. A living part of an organism's habitat






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






38. An organism that breaks down wastes and dead organisms






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






40. The effect of the IV






41. A relationship in which both species benefit






42. The largest population that an area can support






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






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






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






46. A consumer that eats only animals






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






48. The amount of food production in a given area






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






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