21-population_ecology

21-population_ecology - Population Ecology Chapter 36...

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Population Ecology Population Ecology Chapter 46 Chapter 36 • Population growth and their effects on the earth – Ecological Footprint – Carrying capacity In _______ , the unrelated species become more similar as they adapt to the same kind of environment 1. Convergent evolution 2. Divergent evolution 3. Adaptive radiation 4. Sympatric speciation
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If the sperm cannot survive in the female of a different species it is due to _____ 1.Prezygotic barrier 2.Postzygotic barrier 3.All of the above What contributes to the reduced gene flow between metal-intolerant and metal-tolerant plants that came about due to parapatric speciation? 1. Different geography 2. Different population 3. Different flowering times 4. Different habitat Population ecology Community ecology Ecosystem ecology
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7 8 9 Rice field-Kerala,India
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10 March of the Penguins 11 Population ecology? • The study of how population size changes and how certain factors regulate populations over time.
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1. Population density Number of individuals of a species per
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21-population_ecology - Population Ecology Chapter 36...

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