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AP Environmental Science

Subjects : science, ap
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 group of organisms of the same species that live in the same area.






2. The process that occurs when two different species in a region compete and the better adapted species wins.






3. A place where a large quantity of a resource sits for a long period of time.






4. Fires that typically burn only the forest's underbrush and do little damage to mature trees. Surface fires actually serve to protect the forest from more harmful fires by removing underbrush and dead materials that would burn quickly and at high temp






5. Drilling a hole in the ground that's below the water table to hold waste.






6. An organism that obtains organic food molecules without eating other organisms or substances derived from other organisms. autotrophs use energy from the sun or from the oxidation of inorganic substances to make organic molecules from inorganic ones.






7. Being extinct or the process of becoming extinct.






8. Sunlight.






9. The place where two plates abut each other.






10. A nuclear reaction in which an atomic nucleus - especially a heavy nucleus such as an isotope of uranium - splits into fragments - usually two fragments of comparable mass - releasing from 100 million to several hundred million electron volts of ener






11. The number of individuals of a population that inhabit a certain unit of land or water area.






12. The rocks and Earth that is removed when mining for a commercially valuable mineral resource.






13. Close - prolonged associations between two or more different organisms of different species that may - but do not necessarily benefit the members.






14. The act or process of transpiring - or releasing water vapor - especially through the stomata of plant tissue or the pores of the skin.






15. To convert or change into a vapor.






16. The result of a pathogen invading a body.






17. When grass is consumed by animals at a faster rate than it can regrow.






18. The removal of select trees in an area; this leaves the majority of the habitat in place and has less of an impact on the ecosystem.






19. Organisms in the first stages of succession.






20. A process in which cold - often nutrient-rich - waters from the ocean depths rise to the surface.






21. Occurs when infection causes a change in the state of health.






22. When photochemical smog - NOx compounds - VOCs - and ozone combine to form smog with a brownish hue.






23. The point at which 50 percent of the test organisms die from a toxin.






24. Soil composed of a mixture of sand - clay - silt - and organic matter.






25. In fishing - the use of long lines that have baited hooks and will be taken by numerous aquatic organisms.






26. Devices containing alkaline substances that precipitate out much of the sulfur dioxide from industrial plants.






27. Pollution that does not have a specific point of release - open -loop recycling -when materials are reused to form new products.






28. The form petroleum takes when in the ground.






29. The accumulation of a substance - such as a toxic chemical - in various tissues of a living organism.






30. An influential theory that concerns the long-term rate of conventional oil (and other fossil fuel) extraction and depletion. It predicts that future world oil production will soon reach a peak and then rapidly decline.






31. An organism that must obtain food energy from secondary sources - for example - by eating plant or animal matter.






32. States that matter can neither be created nor destroyed.






33. Calculating risk - or the degree of likelihood that a person will become ill upon exposure to a toxin or pathogen.






34. The edges of tectonic plates.






35. The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct.






36. When trees and crops are planted together - creating a mutualistic symbiotic relationship between them.






37. The number of children a couple must have in order to replace themselves in a population.






38. The use of devices - such as solar panels - to collect - focus - transport - or store solar energy.






39. A system of vertical and horizontal air circulation predominating in tropical and subtropical regions and creating major weather patterns.






40. Biotic and abiotic natural ecosystems.






41. The gradual breakdown of rock into smaller and smaller particles - caused by natural chemical - physical - and biological factors.






42. The dosage level of a toxin at which a negative effect occurs.






43. A soil horizon; B receives the minerals and organic materials that are leached out of the A horizon.






44. The management or regulation of a resource so that its use does not exceed the capacity of the resource to regenerate itself.






45. A process that allows the organic material in solid waste to be decomposed and reintroduced into the soil - often as fertilizer.






46. When a species occupies a smaller niche than it would in the absence of competition.






47. The vertical movement of a mass of matter due to heating and cooling; this can happen in both the atmosphere and Earth's mantle.






48. An underground layer of porous rock - sand - or other material that allows the movement of water between layers of nonporous rock or clay. Aquifers are frequently tapped for wells.






49. Any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water.






50. Radioactive wastes that produce high levels of ionizing radiation.







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