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






2. Moving into a population






3. Illegal killing or removal of wildlife from their habitats






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






5. Resources supplied by nature






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






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






8. A consumer that eats both plants and animals






9. The first species to populate the area






10. Leaving a population






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






12. Type of graph most often used for categorical data






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






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






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






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






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






18. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






19. A chart with bars






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






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






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






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






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






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






26. Possible to use again






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






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






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






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






31. Liphids - proteins - and carbohydrates






32. The series of predictable changes that occur in a community over time






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






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






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






36. Flaw in design of procedure






37. People who survive by searching for wild plants and animals; always move in small groups






38. The variable that you manipulate






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






40. Mistake in following procedure






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






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






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






44. Organism that is killed






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






46. The study of how living and nonliving things interact






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






48. The process by which molecules of liquid absorb energy and change to gas






49. The largest population that an area can support






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