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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. Something that breaks down into soil






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






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






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






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






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






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






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






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






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






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






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






13. A nonliving part of an organism's habitat






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






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






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






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






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






19. The study of how living and nonliving things interact






20. Wheat -bairley -corn....carbohydrates






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






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






23. Anything in the environment that is used by people






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






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






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






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






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






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






30. Organism that does the killing






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






32. A graph that highlights segments of a circle to show simple distribution patterns






33. The practice of reducing energy use






34. Possible to use again






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






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






37. Water stored in underground layers of soil and rock






38. A material that cannot be recycled or reused






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






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






41. The number of different species in a given area






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






43. A consumer that eats only plants






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






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






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






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






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






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






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