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






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






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






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






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






6. The mating of animals in zoos or wildlife preserves






7. Making direct measurements






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






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






10. 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






11. Moving into a population






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






13. Manage - protect and reintroduce threatened and endangered species






14. Chemicals that cause cancer






15. Rising sea level






16. A consumer that eats only plants






17. Amount of land each person uses






18. Help improve the standard of living for residents






19. Cooking oil - fuel - and medicines






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






21. Can result in a decrease of property damage






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






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






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






25. Chemicals that causes harm to embryos and fetuses






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






27. Pollution from a factory near your school






28. The pattern of overlapping food chains in an ecosystem






29. Taking in carbon dioxide from the atmosphere during photosynthesis






30. Building up not out






31. A consumer that eats both plants and animals






32. Leaving a population






33. Are carefully controlled






34. The practice of protecting the environment






35. A nonliving part of an organism's habitat






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






37. An organism that breaks down wastes and dead organisms






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






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






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






41. The role of an organism in its habitat - or how it makes its living






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






43. The largest population that an area can support






44. A living part of an organism's habitat






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






46. The most effective way of preserving biodiversity by protecting whole ecosystems






47. Organism that carries pathogens






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






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






50. Using public transportation