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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 first species to populate the area






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






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






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






5. A chart with bars






6. Heat from the Earth's interior






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






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






9. An organism that breaks down wastes and dead organisms






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






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






12. Wheat -bairley -corn....carbohydrates






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






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






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






16. Mistake in following procedure






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






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






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






20. Organism that does the killing






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






22. Anything in the environment that is used by people






23. An organism that can make it's own food






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






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






26. A nonliving part of an organism's habitat






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






28. The effect of the IV






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






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






31. A consumer that eats both plants and animals






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






33. The number of different species in an area






34. An environmental factor that causes a population to decrease






35. The movement or organisms from one place to another






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






37. The rate of which a plant grows at






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






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






40. The amount of food production in a given area






41. A species that could become endangered in the near future






42. Resources supplied by nature






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






44. Moving into a population






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






46. Leaving a population






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






48. The variable that you manipulate






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






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