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






2. The largest population that an area can support






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






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






5. The variable that you manipulate






6. Water stored in underground layers of soil and rock






7. Anything in the environment that is used by people






8. The issue where humans don't take care of the Earth.






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






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






11. Type of graph most often used for categorical data






12. Anything that harms an organism






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






14. The continuous process by which water moves from Earth's surface to the atmosphere and back






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






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






17. The number of different species in an area






18. Organism that does the killing






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






20. A chart with bars






21. Leaving a population






22. A material that cannot be recycled or reused






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






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






25. The number of different species in a given area






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






27. The movement or organisms from one place to another






28. Flaw in design of procedure






29. The effect of the IV






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






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






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






33. The study of how living and nonliving things interact






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






35. A relationship in which both species benefit






36. Wheat -bairley -corn....carbohydrates






37. Liphids - proteins - and carbohydrates






38. The organism that the parasite lives in or on






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






40. An environmental factor that causes a population to decrease






41. The study of the impact of humans on the environment






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






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






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






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






46. Resources supplied by nature






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






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






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






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