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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. Moving into a population






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






3. The movement or organisms from one place to another






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






5. The organism that the parasite lives in or on






6. The rate of which a plant grows at






7. Possible to use again






8. Heat from the Earth's interior






9. The number of different species in an area






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






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






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






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






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






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






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






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






18. A consumer that eats only plants






19. A living part of an organism's habitat






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






21. A consumer that eats only animals






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






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






24. Organism that does the killing






25. A relationship in which both species benefit






26. The variable that you manipulate






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






28. A chart with bars






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






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






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






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






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






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






35. Mass destruction of most species






36. The amount of food production in a given area






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






38. The study of how living and nonliving things interact






39. A consumer that eats both plants and animals






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






41. An organism that breaks down wastes and dead organisms






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






43. The largest population that an area can support






44. The number of different species in a given area






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






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






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






48. Countries with less productive economies and a lower quality of life






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






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