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






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






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






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






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






6. The first species to populate the area






7. Illegal killing or removal of wildlife from their habitats






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






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






10. A chart with bars






11. The movement or organisms from one place to another






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






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






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






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






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






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






18. Resources supplied by nature






19. The variable that you manipulate






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






21. A consumer that eats only animals






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






23. A living part of an organism's habitat






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






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






26. The organism that the parasite lives in or on






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






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






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






30. Moving into a population






31. The largest population that an area can support






32. The practice of reducing energy use






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






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






35. A nonliving part of an organism's habitat






36. A consumer that eats both plants and animals






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






38. A consumer that eats only plants






39. An organism that breaks down wastes and dead organisms






40. Type of graph most often used for categorical data






41. Something that breaks down into soil






42. Anything that harms an organism






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






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






45. Water stored in underground layers of soil and rock






46. A group of land ecosystems with similar climates and organisms






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






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






49. The rate of which a plant grows at






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