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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. A group of land ecosystems with similar climates and organisms






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






3. An example of a method for managing whole ecosystems and habitats






4. Contamination of land - water - or air






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






6. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






7. Can result in a decrease of property damage






8. The practice of protecting the environment






9. An amount of a renewable resource that can be harvested regularly without reducing the future supply






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






11. The process of cutting down all the trees in an area at once






12. Watering crops

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13. Land that is sparsely populated and has few buildings or roads






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






15. A natural pattern in which species diversity generally increases toward the equator






16. A consumer that eats both plants and animals






17. The number of different species in an area






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






19. The study of how living things interact with each other and their environment






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






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






22. Has the highest amount of species diversity






23. Deals with biological hazards






24. Resulted in suppression of all forest fires

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25. An organism that breaks down wastes and dead organisms






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






27. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude






28. A region that has many different types of organism is described as having a high level of this






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






30. Energy from the sun would be reflected back into space






31. A species that is at risk of extinction






32. Provide wood






33. Sex - weight - and health issues






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






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






36. The most direct way in which biodiverstiy can provide a source of income






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






38. Illegal killing or removal of wildlife from their habitats






39. The process of cutting down only some trees in an area






40. A relationship between two species in which both species benefit






41. The loss of a natural habitat






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






43. The breaking of a habitat into smaller - isolated pieces






44. By increasing the need for people to drive






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






46. Are carefully controlled






47. Burning fossil fuels






48. One way zoos and aquariums help increase wildlife populations






49. Rising sea level






50. Chemicals that causes harm to embryos and fetuses






Can you answer 50 questions in 15 minutes?



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