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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 only animals






2. A habitat in which the freshwater of a river meets the salt water of an ocean






3. Illegal killing or removal of wildlife from their habitats






4. The typical weather pattern in an area over a long period of time






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






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






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






8. Organism that does the killing






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






10. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






11. The first species to populate the area






12. Resources supplied by nature






13. Wheat -bairley -corn....carbohydrates






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






15. Anything that harms an organism






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






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






18. A relationship in which one species benefits and the other is neither helped nor harmed






19. Type of graph most often used for categorical data






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






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






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






23. Mass destruction of most species






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






25. A nonliving part of an organism's habitat






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






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






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






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






30. A higer demand of that limited product the the price goes up






31. Heat from the Earth's interior






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






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






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






35. The study of how living and nonliving things interact






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






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






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






39. A chart with bars






40. Mistake in following procedure






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






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






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






44. The practice of reducing energy use






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






46. The largest population that an area can support






47. A living part of an organism's habitat






48. Something that breaks down into soil






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






50. A consumer that eats both plants and animals