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DSST Environmental Science - 2

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 largest population that an area can support






2. Soil - fresh water - wild animals - and timber






3. The form of transportation that uses the most energy per passenger mile






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






5. Pollution from a factory near your school






6. Are carefully controlled






7. A large area heavily populated like Miami - Florida or Toledo - Ohio






8. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






9. Trees - grass - crops - wetlands - water - building and pavements






10. A species that is at risk of extinction






11. A consumer that eats only animals






12. Chemical hazard that was once found in paint - young children are frequently tested for this






13. Has the highest amount of species diversity






14. The most effective way of preserving biodiversity by protecting whole ecosystems






15. Fires that are set by humans






16. The number of different species in an area






17. The loss of a natural habitat






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






19. A living part of an organism's habitat






20. Water vapor and carbon dioxide that trap heat near the earth






21. Anything in the environment that is used by people is called a natural resource






22. The practice of protecting the environment






23. By increasing the need for people to drive






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






25. When fish are caught faster than they can breed - causing the populatio to decrease






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






27. The organism that does the killing in a predation interaction






28. An organism that obtains energy by feeding on the other organisms






29. The highest level of biodiversity






30. Contamination of land - water - or air






31. The mating of animals in zoos or wildlife preserves






32. Moving into a population






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






34. Species that are carried to a new location by people






35. The clearing of a forest and replacing it with another land use






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






37. A consumer that eats only plants






38. The disappearance of a particular population from a given area - but not from the entire species globally






39. Causes a cooling effect

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






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






42. A form of decision-making concerned with the allocation and conservation of natural resources






43. A behavior or physical characteristic that allows an organism to live successfully in its environment






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






45. Habitat change and fragmentation






46. Sex - weight - and health issues






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






48. Taking in carbon dioxide from the atmosphere during photosynthesis






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






50. An organism that is killed and eaten by another organism







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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