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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 natural resource that is not replaced in a useful time frame






2. The movement or organisms from one place to another






3. Rice - corn - potatos - wheat - soy beans






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






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






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






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






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






9. The rate of which a plant grows at






10. The practice of reducing energy use






11. The largest population that an area can support






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






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






14. The amount of food production in a given area






15. An interaction in which one organism kills and eats another






16. The first species to populate the area






17. The number of different species in a given area






18. Resources supplied by nature






19. The effect of the IV






20. A graph that uses line segments to show changes that occur over time






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






22. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






28. A consumer that eats only plants






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






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






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






32. Anything in the environment that is used by people






33. Flaw in design of procedure






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






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






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






37. Heat from the Earth's interior






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






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






40. Mass destruction of most species






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






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






43. Liphids - proteins - and carbohydrates






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






45. Capable of being broken down by bacteria or other decomposers






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






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






48. A material that cannot be recycled or reused






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






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