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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 severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






2. A nonliving part of an organism's habitat






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






4. The number of different species in an area






5. The rate of which a plant grows at






6. A living part of an organism's habitat






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






8. Mass destruction of most species






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






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






11. The effect of the IV






12. Mistake in following procedure






13. Organism that is killed






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






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






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






17. The amount of food production in a given area






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






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






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






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






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






23. The organism that the parasite lives in or on






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






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






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






27. The practice of reducing energy use






28. The largest population that an area can support






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






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






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






32. An environmental factor that causes a population to decrease






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






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






35. A material that cannot be recycled or reused






36. Flaw in design of procedure






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






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






39. Illegal killing or removal of wildlife from their habitats






40. Something that breaks down into soil






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






42. Moving into a population






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






44. The study of how living and nonliving things interact






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






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






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






48. Liphids - proteins - and carbohydrates






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






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