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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 practice of reducing energy use






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






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






4. A consumer that eats only plants






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






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






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






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






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






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






11. A relationship in which one species benefits and the other is neither helped nor harmed






12. Leaving a population






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






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






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






16. Anything that harms an organism






17. A consumer that eats both plants and animals






18. Flaw in design of procedure






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






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






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






22. The rate of which a plant grows at






23. The amount of food production in a given area






24. Possible to use again






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






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






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






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






29. Resources supplied by nature






30. Heat from the Earth's interior






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






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






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






34. The variable that you manipulate






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






36. Moving into a population






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






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






39. An organism that breaks down wastes and dead organisms






40. Type of graph most often used for categorical data






41. Illegal killing or removal of wildlife from their habitats






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






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






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






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






46. The first species to populate the area






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






48. The number of different species in an area






49. Mass destruction of most species






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