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






2. Water stored in underground layers of soil and rock






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






4. The rate of which a plant grows at






5. Heat from the Earth's interior






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






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






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






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






10. Liphids - proteins - and carbohydrates






11. Leaving a population






12. A chart with bars






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






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






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






16. A consumer that eats only plants






17. The largest population that an area can support






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






19. The number of different species in a given area






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






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






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






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






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






25. The organism that the parasite lives in or on






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






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






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






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






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






31. Organism that does the killing






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






33. Illegal killing or removal of wildlife from their habitats






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






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






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






37. A material that cannot be recycled or reused






38. A relationship in which both species benefit






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






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






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






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






43. Moving into a population






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






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






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






47. A consumer that eats both plants and animals






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






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






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







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