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






2. A species that influences the survival of many others in an ecosystem






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






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






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






6. The rate of which a plant grows at






7. Struggle between organisms to survive in a habitat with limited resources






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






9. The first species to populate the area






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






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






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






13. A material that cannot be recycled or reused






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






15. The movement or organisms from one place to another






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






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






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






19. The variable that you manipulate






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






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






22. The largest population that an area can support






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






24. The number of different species in a given area






25. Anything that harms an organism






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






27. Flaw in design of procedure






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






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






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






31. The organism that the parasite lives in or on






32. The study of how living and nonliving things interact






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






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






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






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






37. Leaving a population






38. Illegal killing or removal of wildlife from their habitats






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






40. Anything in the environment that is used by people






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






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






43. An organism that can make it's own food






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






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






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






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






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






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






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