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






2. A resource that is able to be reused - or can be replenished quickly






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






4. An environmental factor that causes a population to decrease






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






6. An organism's particular role - or how it makes its living






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






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






9. Water stored in underground layers of soil and rock






10. Possible to use again






11. A relationship that involves one organism living on or inside another organism and harming it






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






13. An organism that obtains energy by feeding on other organisms






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






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






16. Anything that harms an organism






17. The largest population that an area can support






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






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






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






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






22. The effect of the IV






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






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






25. The process by which molecules of liquid absorb energy and change to gas






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






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






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






29. A consumer that eats both plants and animals






30. Type of graph most often used for categorical data






31. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






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






33. An organism that breaks down wastes and dead organisms






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






35. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






36. Leaving a population






37. The practice of reducing energy use






38. The number of different species in an area






39. The organism that the parasite lives in or on






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






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






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






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






44. When a large fraction of the resource has been used up






45. People who survive by searching for wild plants and animals; always move in small groups






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






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






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






49. Liphids - proteins - and carbohydrates






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