Population Ecology G. Tyler Millers Living in the

Population Ecology G. Tyler Millers Living in the

Population Ecology G. Tyler Millers Living in the Environment 14th Edition Chapter 9

Key Concepts Factors affecting population size Species reproductive patterns Species survivorship patterns Conservation biology and human impacts on ecosystems

Population Dynamics and Carrying Capacity Population dynamics Biotic potential (intrinsic rate of increase [r])

Environmental resistance Carrying capacity Exponential and Logistic Growth Population Density Population Dispersion

Fig. 9-2 p. 164 Factors Affecting Population Size Fig. 9-3 p. 166

Exponential and Logistic Growth Population Density Effects Density-independent controls Density-dependent controls

Natural Population Curves Fig. 9-7 p. 168 The Role of Predation in Controlling

Population Size Predator-prey cycles Top-down control Bottom-up control Fig. 9-8 p. 168

Reproductive Patterns and Survival Asexual reproduction r-selected species Sexual reproduction K-selected species Fig. 9-10 p. 170 Survivorship Curves

Fig. 9-11 p. 171 Human Impacts on Ecosystems Habitat degradation and fragmentation Ecosystem simplification

Genetic resistance Predator elimination Introduction of non-native species Overharvesting renewable resources Interference with ecological systems

Learning from Nature Dependence on Nature Interdependence Unpredictability See Connections p. 173

Limited resources Recycle wastes

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