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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. Species that are carried to a new location by people






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






3. Rising sea level






4. A species that is at risk of extinction






5. Deals with biological hazards






6. A consumer that eats both plants and animals






7. Taking in carbon dioxide from the atmosphere during photosynthesis






8. The struggle between organisms to survive as they attempt to use the same limited resource






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






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






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






12. Has the highest amount of species diversity






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






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






15. An area with a large population of valuable ocean organisms






16. Bumps on the roots of certain plants






17. Refers to an increase in Earth's average surface temperature






18. The loss of a natural habitat






19. Cooking oil - fuel - and medicines






20. Chemicals that causes harm to embryos and fetuses






21. An organism that can make its own food






22. Organism that carries pathogens






23. By increasing the need for people to drive






24. Watering crops

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25. The highest level of biodiversity






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






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






28. Are carefully controlled






29. A consumer that eats only plants






30. Can result in a decrease of property damage






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






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






33. Moving into a population






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






35. A nonliving part of an organism's habitat






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






37. Building up not out






38. Habitat change and fragmentation






39. Making direct measurements






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






41. The amount of carbon dioxide emissions for which an individual or group is responsible






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






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






44. Manage - protect and reintroduce threatened and endangered species






45. Any substance that poses a chemical hazard






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






47. Have a greater sensitivity to environmental hazards than any other group






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






49. Burning fossil fuels






50. Using public transportation