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






2. Flaw in design of procedure






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






4. Water stored in underground layers of soil and rock






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






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






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






8. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






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






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






12. Organism that does the killing






13. An organism's particular role - or how it makes its living






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






15. An organism that breaks down wastes and dead organisms






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






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






18. The continuous process by which water moves from Earth's surface to the atmosphere and back






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






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






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






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






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






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






25. The practice of reducing energy use






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






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






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






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






30. Leaving a population






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






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






33. A consumer that eats only plants






34. An environmental factor that causes a population to decrease






35. A consumer that eats both plants and animals






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






37. The largest population that an area can support






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






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






40. Moving into a population






41. A relationship in which both species benefit






42. A chart with bars






43. The organism that the parasite lives in or on






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






45. A graph that uses dots to compare rate of change over time






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






47. Something that breaks down into soil






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






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






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