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






2. The rate of which a plant grows at






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






4. Anything that harms an organism






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






6. The effect of the IV






7. A consumer that eats only plants






8. A nonliving part of an organism's habitat






9. Heat from the Earth's interior






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






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






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






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






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






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






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






17. Possible to use again






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






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






20. Liphids - proteins - and carbohydrates






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






22. Flaw in design of procedure






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






24. A consumer that eats only animals






25. Type of graph most often used for categorical data






26. The act of restricting your food intake (or your intake of particular foods)






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






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






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






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






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






32. The organism that the parasite lives in or on






33. Mistake in following procedure






34. The largest population that an area can support






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






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






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






38. Organism that does the killing






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






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






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






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






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






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






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






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






47. A consumer that eats both plants and animals






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






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






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