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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 series of predictable changes that occur in a community over time






2. A living part of an organism's habitat






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






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






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






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






7. Mass destruction of most species






8. The rate of which a plant grows at






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






10. The issue where humans don't take care of the Earth.






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






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






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






14. Anything in the environment that is used by people






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






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






17. A consumer that eats only animals






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






19. Organism that does the killing






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






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






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






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






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






25. The number of different species in a given area






26. Moving into a population






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






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






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






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






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






32. Leaving a population






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






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






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






36. A nonliving part of an organism's habitat






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






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






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






40. A graph that highlights segments of a circle to show simple distribution patterns






41. Heat from the Earth's interior






42. Water stored in underground layers of soil and rock






43. The practice of reducing energy use






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






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






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






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






48. A relationship in which both species benefit






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






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