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






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






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






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






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






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






7. Leaving a population






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






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






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






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






12. Organism that does the killing






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






14. Mistake in following procedure






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






16. Flaw in design of procedure






17. The act of restricting your food intake (or your intake of particular foods)






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






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






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






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






22. A chart with bars






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






24. A living part of an organism's habitat






25. Heat from the Earth's interior






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






27. A consumer that eats both plants and animals






28. The variable that you manipulate






29. The largest population that an area can support






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






31. A consumer that eats only plants






32. An environmental factor that causes a population to decrease






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






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






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






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






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






38. Any form of water that falls to the Earth's surface






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






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






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






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






43. The organism that the parasite lives in or on






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






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






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






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






48. Water stored in underground layers of soil and rock






49. The rate of which a plant grows at






50. A relationship in which both species benefit