Test your basic knowledge |

DSST Environmental Sciences Vocab

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. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






2. The series of predictable changes that occur in a community over time






3. A resource that is not able to be reused - or cannot be replenished quickly






4. All the different populations that live together in an area






5. Rice - corn - potatos - wheat - soy beans






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






7. A graph that highlights segments of a circle to show simple distribution patterns






8. A close relationship between two species that benefits at least one of them






9. The practice of reducing energy use






10. The first species to populate the area






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






12. The process in which the changes that make organisms better suited to their environments develop






13. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






14. The process of changing free nitrogen gas into a usable form






15. Illegal killing or removal of wildlife from their habitats






16. The number of different species in an area






17. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






18. The pattern of overlapping food chains in an ecosystem.






19. Flaw in design of procedure






20. Resources supplied by nature






21. Something that does not completely break down into the soil






22. In an experiment - the group of participants that recieves the manipulation






23. Mistake in following procedure






24. A material that cannot be recycled or reused






25. The rate of which a plant grows at






26. A habitat in which the freshwater of a river meets the salt water of an ocean






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






28. An organism that can make it's own food






29. Leaving a population






30. A consumer that eats only animals






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






32. The process of cutting down only some trees in area






33. Any form of water that falls to the Earth's surface






34. A grid that displays the data plotted in a chart.






35. The organism that benefits by living on or in a host






36. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






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






38. A relationship in which both species benefit






39. Behaviors and physical characteristics of species that allow them to live successfully in their environment






40. Mass destruction of most species






41. The act of restricting your food intake (or your intake of particular foods)






42. The issue where humans don't take care of the Earth.






43. Capable of being broken down by bacteria or other decomposers






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






45. The group that does not receive the experimental treatment.






46. The continuous process by which water moves from Earth's surface to the atmosphere and back






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






48. A measure of human demand on the Earth's ecosystems






49. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






50. The degree of hotness or coldness of a body or environment