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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. Any substance that poses a chemical hazard






2. The disappearance of all members of a species from Earth






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






4. A series of events in which one organism eats another and obtains energy






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






6. Chemicals that cause cancer






7. A consumer that eats only animals






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






9. A nonliving part of an organism's habitat






10. Leaving a population






11. Help improve the standard of living for residents






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






13. The largest population that an area can support






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






15. The pattern of overlapping food chains in an ecosystem






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






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






18. The practice of protecting the environment






19. The number of different species in an area






20. Viruses - bacteria and other organisms in the environment that harm human health






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






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






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






24. The mating of animals in zoos or wildlife preserves






25. An organism that can make its own food






26. Sex - weight - and health issues






27. Can result in a decrease of property damage






28. A consumer that eats only plants






29. Illegal killing or removal of wildlife from their habitats






30. Deals with biological hazards






31. Building up not out






32. Bumps on the roots of certain plants






33. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates






34. A relationship in which one organism lives on or in a host and harms it






35. Pollution from a factory near your school






36. Fires that are set by humans






37. One way zoos and aquariums help increase wildlife populations






38. A living part of an organism's habitat






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






40. Organism that carries pathogens






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






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






43. Transportation systems - communications systems - water services - power supplies - and schools






44. Has the highest amount of species diversity






45. Concentrations of toxicants can be greatly multiplied with each step up the food chain






46. The study of the natural processes that occur in the environment and how humans can affect them






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






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






49. Businesses are arranged in a long row along a roadway - with no main community






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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