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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 degree of hotness or coldness of a body or environment






2. Illegal killing or removal of wildlife from their habitats






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






4. The typical weather pattern in an area over a long period of time






5. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






6. Flaw in design of procedure






7. Anything that harms an organism






8. The study of how living and nonliving things interact






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






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






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






12. Moving into a population






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






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






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






16. The rate of which a plant grows at






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






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






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






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






21. The organism that the parasite lives in or on






22. The amount of food production in a given area






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






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






25. Anything in the environment that is used by people






26. Organism that is killed






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






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






29. The largest population that an area can support






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






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






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






33. Organism that does the killing






34. A consumer that eats only animals






35. Wheat -bairley -corn....carbohydrates






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






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






38. Possible to use again






39. An organism that breaks down wastes and dead organisms






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






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






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






43. A chart with bars






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






45. Type of graph most often used for categorical data






46. A grid that displays the data plotted in a chart.






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






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






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






50. Something that does not completely break down into the soil