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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 process of cutting down only some trees in area






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






3. An organism that breaks down wastes and dead organisms






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






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






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






7. Type of graph most often used for categorical data






8. Flaw in design of procedure






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






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






11. Liphids - proteins - and carbohydrates






12. Organism that is killed






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






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






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






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






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






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






19. The number of different species in a given area






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






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






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






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






24. A nonliving part of an organism's habitat






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






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






27. The organism that benefits by living on or in a host






28. The first species to populate the area






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






30. A chart with bars






31. The effect of the IV






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






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






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






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






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






37. The study of how living and nonliving things interact






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






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






40. The number of different species in an area






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






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






43. Heat from the Earth's interior






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






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






46. The amount of food production in a given area






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






48. Possible to use again






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






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