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






2. The rate of which a plant grows at






3. A consumer that eats both plants and animals






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






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






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






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






8. Possible to use again






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






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






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






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






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






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






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






16. Illegal killing or removal of wildlife from their habitats






17. The largest population that an area can support






18. Rice - corn - potatos - wheat - soy beans






19. An environmental factor that causes a population to decrease






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






21. The variable that you manipulate






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






23. Wheat -bairley -corn....carbohydrates






24. A consumer that eats only animals






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






26. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






27. The effect of the IV






28. Water stored in underground layers of soil and rock






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






30. Moving into a population






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






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






33. A relationship in which both species benefit






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






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






36. Mistake in following procedure






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






38. The number of different species in a given area






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






40. A nonliving part of an organism's habitat






41. Mass destruction of most species






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






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






44. The organism that the parasite lives in or on






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






46. Type of graph most often used for categorical data






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






48. Resources supplied by nature






49. Anything in the environment that is used by people






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