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






2. Leaving a population






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






4. Anything that harms an organism






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






6. In an experiment - the group of participants that recieves the manipulation






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






8. The number of different species in a given area






9. A chart with bars






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






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






12. The rate of which a plant grows at






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






14. Resources supplied by nature






15. Flaw in design of procedure






16. The first species to populate the area






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






18. Mistake in following procedure






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






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






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






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






23. Type of graph most often used for categorical data






24. An environment that provides the things an organism needs to live - grow and reproduce






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






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






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






28. Organism that is killed






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






30. The organism that the parasite lives in or on






31. The movement or organisms from one place to another






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






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






34. Moving into a population






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






36. The process by which a gas changes to a liquid






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






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






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






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






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






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






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






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






45. Something that breaks down into soil






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






47. The largest population that an area can support






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






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






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