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CSET Ecology

Subjects : cset, ecology
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. Experience when a natural disaster occurs and wipes out a portion of a population - the gene pool of the survivors is not the same as the original population






2. Found in Antarctica - tip of South America. Have soil that can hold lichens - mosses - ferns and other small tundra plants






3. A community and its abiotic environment






4. The surface water that gets enough sunlight to support plants and animals called plankton






5. Fancy way of saying underwater zones






6. Popualation that colonizes a new habitat does not reflect the original gene pool of the original population






7. A belt of coniferous forests that stretches across most of North America - Asia and Europe






8. Caused by high pressure systems and cold ocean currents. Animals living in this climate have thick fur and a lot of fat to get them through the cold temperatures






9. Climate pattern located further north in Canada and Russia






10. Layer of the rainforest made up of shorter trees - bushes and ferns






11. Tide caused when the Moon is on directly overhead on the other side of the Earth






12. Hot regions located 30 degrees lattitude north and south of the equator and are hot because of a mixture of hot air press ure and capturing of sun rays which causes more evaporation. Animals in these landscapes sleep below ground or in the shade






13. Layer of rainforest where bacteria and fungi break up dead leaves






14. Found on the edge of the North Pole - in parts of Greenland - Alaska - Canada - Europe and Russia. Covered in snow seven to eight months of the year. Animals include caribou - polar bears - arctic weasels - fox - hares and wolf






15. A group of members of the same species found in the given environment at a given time






16. Located in the tropics where it remains warm and wet all year round and 2-9 inches of rain fall every year






17. One organism benefits from association and the other organism is not affected - like the sharpsucker on the underside of a shark






18. The edge of a continent that edges out underwater






19. Tides formed when the Moon - Eaerth and Sun are aligned






20. A group of similar organisms that can produce viable - fertile offspring






21. When warm air replaces cold air leading to steady preciptiation






22. The edge of the continent






23. Trees that make seed - bearing cones like pine and fir trees






24. The movement of gas molecules in the air






25. Found on mountain tops above the tree line with heavy snowfalls and high winds






26. Climate patterns that have various temperature ranges and are located in the northern hemisphere






27. When neither cold air nor warm air advances and clouds form on both sides of the front






28. When cold air pushes up warm air leading to violent storms






29. A symbiotic relationship where both organisms derive some benefit - like the rhino and the bird






30. Swampy areas of the taiga that are covered with dead plant matter






31. A layer of soil found in the tundra that stays below freezing






32. Climate pattern where it is cooler than the climate that the mountain is situated in






33. Cover only 7 percent of the earth's surface but contain more than 50 percent of its biology






34. Leafy green top of the rainforest where all kinds of vines and plants grow






35. Creation of a new species when the gene pool for a group of organisms is isolated






36. Small changesin a population's gene pool by random events






37. Arid regions that are the dryest place on earth






38. Underwater volcanic cones that eventually get large enough to form volcanic islands like Hawaii






39. Climate pattern with consistently cold temperatures






40. Climate patterns in which the winters are not so cold and summers are hot; can be found near mediterranean seas






41. The ocean floor and includes coral reefs to continental shelves - underwater mountain ranges - and deep ocean trenches






42. Grasslands scattered with shrubs and trees found in tropical lattitudes 30 degrees north and south of the equator. Summers last six to eight months and are really wet and winters are hot and dry






43. Concept that allele frequencies remain constant from generation to generation as long as 1. random mating has occurred so that there is no dominant gene - 2. iommigration and emigration does not take palce - 3. no mutations - 4. large population pres






44. Underwater mountain changes that form when plates move apart






45. Water layer that gets no light at all at 6000 degrees below sea level






46. Forest that has cold winters - warm sumers and moderate rainfall. Trees like maple - beech - oaks and willows and animals include fox - deer - woodchuck and squirrel






47. Classiciation order of species






48. Climate pattern found close to the equator and receive more sunlight than other areas






49. Climate patterns that have warm summers and cold winters






50. A group ofi interacting populations







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