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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. Mass destruction of most species






2. The study of the impact of humans on the environment






3. A chart with bars






4. Moving into a population






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






6. The number of different species in an area






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






8. The typical weather pattern in an area over a long period of time






9. A state of poor nutrition; lacking enough calories or variety in diet






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






11. A relationship in which both species benefit






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






13. Resources supplied by nature






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






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






16. The amount of food production in a given area






17. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






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






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






20. The community of organisms that live in a particular area along with their nonliving surroundings






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






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






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






24. The study of how living and nonliving things interact






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






26. A series of events in which one organism eats another and obtains energy






27. Mistake in following procedure






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






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






30. An organism that breaks down wastes and dead organisms






31. The first species to populate the area






32. Water stored in underground layers of soil and rock






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






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






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






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






37. A study that compares the costs and benefits to society of providing a public good






38. Countries with less productive economies and a lower quality of life






39. The practice of reducing energy use






40. The rate of which a plant grows at






41. Type of graph most often used for categorical data






42. An environmental factor that causes a population to decrease






43. A consumer that eats both plants and animals






44. Struggle between organisms to survive in a habitat with limited resources






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






46. Farmers who raise food and animals mainly to feed their own families






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






48. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






50. Organism that is killed