8 February 2012, 5:01 pm
26. Primary producers depend on photosynthesis to provide their food source. True or False 27. In the movie, A Mystery in Alaska, the demise of the Stellar Seal was due to a negative feedback loop involving the population of _______ and the interconnected food chains or _____ ______. a. Pollock and trophic levels b. herring and food webs c. man and biomassd. whales and food webs 28. An organism’s feeding status in an ecosystem can be expressed as its ___ ______. What level is man on in this system. a.) ___________________ _____________________ b.) Man is …_________________________________________________________________ 29. (Web question) Where do extremeophiles live? What type of extremeophile could live in southern Nevada biome. _________________ Match the following: (Chapter 3) 30. _______carrying capacitya. ecosystem’s ability to provide over time 31. _______ environmental resistancesb. exponential growth pattern 32. _______ tolerance limitsc. pyramid shaped age structure 33. _______ expanding populationd. can reduce population growth rates 34. _______ r selected speciese. play a critical role in communities 35. _______adaptationf. new individuals produced 36. _______ natalityg. minimum and maximum living conditions 37. _______keystone speciesh. 1st time colonization 38. _______ j curvei. acquisition of traits 39. _______ecotonej. border between two ecosystems 40. _______primary successionk. rodents Match the follow biome to its major environmental issue: (Chapter 5) 41. ________Tropical rainforesta. seen as lifeless land only good for development 42. _______ US Midwestern grasslandsb. seen as high productivity cropland 43. ________US Southwestern desertc. high demand for food, wood and resources 44. ________Wetlandsd. high development due to “waterfront” views 45. ________Alaskan Tundrae. increased commercial extraction of timber 46. ________Deciduous forestf. increased demand for fossil fuel extraction... Read More »
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