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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. Countries with strong economies and a high quality of life






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






3. The amount of food production in a given area






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






5. A carnivore that feeds on the bodies of dead organisms






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






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






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






9. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






10. The rate of which a plant grows at






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






12. Organism that is killed






13. The study of how living and nonliving things interact






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






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






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






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






18. A consumer that eats only plants






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






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






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






22. Mass destruction of most species






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






24. The organism that the parasite lives in or on






25. Moving into a population






26. The number of different species in an area






27. The variable that you manipulate






28. Flaw in design of procedure






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






30. Anything that harms an organism






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






32. The process of cutting down only some trees in area






33. The first species to populate the area






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






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






36. Wheat -bairley -corn....carbohydrates






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






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






39. A nonliving part of an organism's habitat






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






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






42. The number of different species in a given area






43. An organism that breaks down wastes and dead organisms






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






45. Illegal killing or removal of wildlife from their habitats






46. The largest population that an area can support






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






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






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






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