Test your basic knowledge |

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. Are carefully controlled






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






3. Fires that are set by humans






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






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






6. This draws people from urban areas to rural areas






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






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






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






10. The practice of protecting the environment






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






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






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






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






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






16. The largest population that an area can support






17. By increasing the need for people to drive






18. Watering crops


19. Resulted in suppression of all forest fires


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






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






22. A consumer that eats both plants and animals






23. Contamination of land - water - or air






24. The loss of a natural habitat






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






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






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






28. A nonliving part of an organism's habitat






29. Moving into a population






30. Rising sea level






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






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






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






34. A consumer that eats only plants






35. Can result in a decrease of property damage






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






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






38. The highest level of biodiversity






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






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






41. Manage - protect and reintroduce threatened and endangered species






42. Has the highest amount of species diversity






43. 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






44. A species that influences the survival of many others in an ecosystem






45. An organism that can make its own food






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






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






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






49. Bumps on the roots of certain plants






50. Making direct measurements