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






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






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






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






5. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






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






12. The process by which a gas changes to a liquid






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






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






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






16. Heat from the Earth's interior






17. The rate of which a plant grows at






18. Mistake in following procedure






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






20. A consumer that eats only plants






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






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






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






24. Organism that is killed






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






26. The organism that the parasite lives in or on






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






28. A consumer that eats both plants and animals






29. Type of graph most often used for categorical data






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






31. The variable that you manipulate






32. A nonliving part of an organism's habitat






33. An organism that breaks down wastes and dead organisms






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






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






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






37. Mass destruction of most species






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






39. An interaction in which one organism kills and eats another






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






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






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






43. The first species to populate the area






44. A living part of an organism's habitat






45. The series of changes that occur in an area where no soil or organisms exist






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






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






48. An environmental factor that causes a population to decrease






49. Countries with strong economies and a high quality of life






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