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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 consumer that eats both plants and animals






2. Flaw in design of procedure






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






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






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






6. Moving into a population






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






8. Anything in the environment that is used by people






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






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






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






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






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






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






15. Organism that is killed






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






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






18. Anything that harms an organism






19. Possible to use again






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






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






22. The organism that the parasite lives in or on






23. Mass destruction of most species






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






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






26. The number of different species in an area






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






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






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






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






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






32. The practice of reducing energy use






33. The amount of food production in a given area






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






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






36. The effect of the IV






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






38. A living part of an organism's habitat






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






40. A chart with bars






41. The first species to populate the area






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






43. Illegal killing or removal of wildlife from their habitats






44. An organism that breaks down wastes and dead organisms






45. The largest population that an area can support






46. An environmental factor that causes a population to decrease






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






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






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






50. A nonliving part of an organism's habitat