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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. Taking in carbon dioxide from the atmosphere during photosynthesis






2. A nonliving part of an organism's habitat






3. The highest level of biodiversity






4. Has the highest amount of species diversity






5. This draws people from urban areas to rural areas






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






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






8. The amount of replacement is equal to the amount harvested






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






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






11. The loss of a natural habitat






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






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






14. A consumer that eats only animals






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






16. Watering crops

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17. Chemicals that causes harm to embryos and fetuses






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






19. A virus or bacterium (organisms) that cause infectious diseases






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






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






22. Process of measuring the chance that an environmental hazard will cause harm






23. Bumps on the roots of certain plants






24. The probability that a hazard will cause a harmful response






25. A living part of an organism's habitat






26. Making direct measurements






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






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






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






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






31. 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






32. The practice of protecting the environment






33. The mating of animals in zoos or wildlife preserves






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






35. Leaving a population






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






37. Amount of land each person uses






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






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






40. An organism that can make its own food






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






42. Habitat change and fragmentation






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






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






45. Resulted in suppression of all forest fires

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46. A close relationship between two species that benefits at least one of the species






47. Chemicals that cause cancer






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






49. Cooking oil - fuel - and medicines






50. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat