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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 grid that displays the data plotted in a chart.






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






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






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






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






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






7. Resources supplied by nature






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






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






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






11. Leaving a population






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






13. Mass destruction of most species






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






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






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






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






18. Something that breaks down into soil






19. The largest population that an area can support






20. Anything in the environment that is used by people






21. The first species to populate the area






22. Moving into a population






23. Water stored in underground layers of soil and rock






24. A chart with bars






25. A species in danger of becoming extinct in the near future






26. Heat from the Earth's interior






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






28. The movement or organisms from one place to another






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






30. A living part of an organism's habitat






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






32. The number of different species in a given area






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






34. The effect of the IV






35. An environmental factor that causes a population to decrease






36. The variable that you manipulate






37. The rate of which a plant grows at






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






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






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






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






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






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






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






45. The study of how living and nonliving things interact






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






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






48. Type of graph most often used for categorical data






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






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