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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. Anything that harms an organism






2. Heat from the Earth's interior






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






4. A consumer that eats both plants and animals






5. Resources supplied by nature






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






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






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






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






10. Flaw in design of procedure






11. A graph that uses line segments to show changes that occur over time






12. A chart with bars






13. The first species to populate the area






14. A relationship in which both species benefit






15. The variable that you manipulate






16. The effect of the IV






17. A consumer that eats only plants






18. A nonliving part of an organism's habitat






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






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






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






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






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






24. Organism that does the killing






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






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






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






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






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






30. The largest population that an area can support






31. Illegal killing or removal of wildlife from their habitats






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






33. Type of graph most often used for categorical data






34. A material that cannot be recycled or reused






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






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






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






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






39. Water stored in underground layers of soil and rock






40. The organism that the parasite lives in or on






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






42. The rate of which a plant grows at






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






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






45. The number of different species in a given area






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






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






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






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






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