Inividuals, Populations, and Environment
2.1 Populations are Made Up of Individuals
2.2 Four Rates Determine Population Size
2.3 The Environment Limits Population Size
2.1 - 2.3 Review
Carrying Capacity
2.4 Abiotic and Biotic Factors Work Together to Influence Population Size
2.5 Population Density May Fluctuate
2.6 Populations may Spread to Neighboring Areas
2.7 Barriers Can Prevent Dispersal
2.4 - 2.7 Review
Human populations
2.8 Few Barriers prevent Human Dispersal
2.9 Earth's Carrying Capacity Is Limited
2.10 Uneven Distribution of Food May Limit Population Size
2.11 Human Activities Change the Environment
2.12 Managing Earth Requires Global Cooperation
2.8 - 2.12 Review