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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 consumer that eats both plants and animals






2. The number of different species in an area






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






4. Mistake in following procedure






5. Wheat -bairley -corn....carbohydrates






6. The amount of food production in a given area






7. The study of how living and nonliving things interact






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






9. Anything that harms an organism






10. Heat from the Earth's interior






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






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






13. Liphids - proteins - and carbohydrates






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






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






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






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






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






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






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






21. Illegal killing or removal of wildlife from their habitats






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






23. A consumer that eats only animals






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






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






26. Something that breaks down into soil






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






28. Water stored in underground layers of soil and rock






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






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






31. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






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






33. Flaw in design of procedure






34. Organism that does the killing






35. The movement or organisms from one place to another






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






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






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






39. A relationship in which both species benefit






40. Possible to use again






41. Type of graph most often used for categorical data






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






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






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






45. The organism that the parasite lives in or on






46. A material that cannot be recycled or reused






47. Anything in the environment that is used by people






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






49. A consumer that eats only plants






50. A living part of an organism's habitat