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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 first species to populate the area






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






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






4. Anything that harms an organism






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






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






7. The largest population that an area can support






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






9. A consumer that eats only animals






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






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






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






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






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






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






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






17. Organism that is killed






18. Resources supplied by nature






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






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






21. The amount of food production in a given area






22. A material that cannot be recycled or reused






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






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






25. A relationship in which both species benefit






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






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






28. An organism that breaks down wastes and dead organisms






29. The movement or organisms from one place to another






30. The number of different species in a given area






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






32. An organism's particular role - or how it makes its living






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






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






35. Moving into a population






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






37. A chart with bars






38. Water stored in underground layers of soil and rock






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






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






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






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






43. Anything in the environment that is used by people






44. The process in which the changes that make organisms better suited to their environments develop






45. A living part of an organism's habitat






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






47. Heat from the Earth's interior






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






49. A consumer that eats both plants and animals






50. Organism that does the killing