Bio1_02_Populations - 1 2 3 1 2 4 5 6 1 2 7 8 1 Review...

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1 Review Questions 1. What ethical principles does conservation biology support? 2. How does biodiversity have value? 3. What are the causes of extinction? What are their relative impacts? 4. What are biodiversity hotspots? 5. What is the edge effect? What is the impact on conservation techniques? 6. What is the Everglades restoration plan? Overview • Ch. 44: Population Ecology – Demographics of populations – Population growth – Regulation of population size – Life history patterns – Human population growth Ecology • Organism – Adapted to its habitat • Population • Community • Ecosystem • Biosphere Demography • Density • Distribution – Clarifies density – Clumped, random, uniform – Resources can be limiting factors Exercise 1 • Think, Pair, Share – Write your name, date, and lab day at the top of your paper (separate from your notes). Turn it in at the end of class. • Topic: What kinds of resources limit population growth of organisms? – Have any of these resources ever limited human population growth? – Do any of them still limit human population growth? Population Growth • Rate of natural increase ( r ) •Growth if births > deaths – Assumption: immigration = emigration • Biotic potential – Highest possible – Unlimited resources – Pop. characteristics •Usual # offspring •Survival until reproduction •Frequency of reproduction •Age of reproduction Exercise 2 • Think, Pair, Share
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This note was uploaded on 01/12/2012 for the course BIOLOGY 1 taught by Professor Teresafinnern during the Fall '11 term at Riverside Community College.

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Bio1_02_Populations - 1 2 3 1 2 4 5 6 1 2 7 8 1 Review...

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