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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 number of different species in an area






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






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






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






5. The rate of which a plant grows at






6. Possible to use again






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






8. A material that cannot be recycled or reused






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






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






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






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






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






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






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






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






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






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






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






20. A nonliving part of an organism's habitat






21. Mistake in following procedure






22. An organism that breaks down wastes and dead organisms






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






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






25. Resources supplied by nature






26. Liphids - proteins - and carbohydrates






27. The first species to populate the area






28. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






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






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






31. The organism that the parasite lives in or on






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






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






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






35. Water stored in underground layers of soil and rock






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






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






38. Organism that does the killing






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






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






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






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






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






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






45. The variable that you manipulate






46. Anything that harms an organism






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






48. Mass destruction of most species






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






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