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






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






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






4. Liphids - proteins - and carbohydrates






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






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






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






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






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






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






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






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






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






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






15. The amount of food production in a given area






16. The first species to populate the area






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






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






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






20. A material that cannot be recycled or reused






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






22. The rate of which a plant grows at






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






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






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






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






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






28. A nonliving part of an organism's habitat






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






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






31. A consumer that eats only plants






32. The organism that the parasite lives in or on






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






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






35. A carnivore that feeds on the bodies of dead organisms






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






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






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






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






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






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






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






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






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






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






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






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






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






49. The practice of reducing energy use






50. A close relationship between two species that benefits at least one of them