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






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






3. An environmental factor that causes a population to decrease






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






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






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






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






8. Possible to use again






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






10. Resources supplied by nature






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






12. Water stored in underground layers of soil and rock






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






14. A consumer that eats both plants and animals






15. Type of graph most often used for categorical data






16. A living part of an organism's habitat






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






18. Moving into a population






19. Mass destruction of most species






20. Leaving a population






21. A material that cannot be recycled or reused






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






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






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






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






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






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






28. The first species to populate the area






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






30. A consumer that eats only animals






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






32. Anything that harms an organism






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






34. A relationship in which both species benefit






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






36. The number of different species in a given area






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






38. Heat from the Earth's interior






39. The organism that the parasite lives in or on






40. A nonliving part of an organism's habitat






41. The practice of reducing energy use






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






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






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






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






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






47. Wheat -bairley -corn....carbohydrates






48. A consumer that eats only plants






49. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






50. The amount of food production in a given area