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. Sex - weight - and health issues






2. An organism that breaks down wastes and dead organisms






3. Has the highest amount of species diversity






4. A natural resource that is not replaced in a useful time frame






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






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






7. The highest level of biodiversity






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






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






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






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






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






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






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






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






16. The practice of protecting the environment






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






18. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






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






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






21. Chemicals that cause cancer






22. Leaving a population






23. Any substance that poses a chemical hazard






24. Help improve the standard of living for residents






25. Building up not out






26. Taking in carbon dioxide from the atmosphere during photosynthesis






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






28. One way zoos and aquariums help increase wildlife populations






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






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






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






32. This draws people from urban areas to rural areas






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






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






35. An organism that can make its own food






36. Rising sea level






37. A consumer that eats only animals






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






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






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






41. Deals with biological hazards






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






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






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






45. A consumer that eats both plants and animals






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






47. The pattern of overlapping food chains in an ecosystem






48. A living part of an organism's habitat






49. The form of transportation that uses the most energy per passenger mile






50. A consumer that eats only plants