## Population Growth Models

Part 1 of 7 — Population Growth Models

1. Exponential growth: J-shaped curve, unlimited resources
2. dN/dt = rN (exponential growth equation)
3. Logistic growth: S-shaped curve, limited resources
4. dN/dt = rN(K-N)/K (logistic growth equation)

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### Key Details

• Exponential growth: J-shaped curve, unlimited resources
• dN/dt = rN (exponential growth equation)
• Logistic growth: S-shaped curve, limited resources
• dN/dt = rN(K-N)/K (logistic growth equation)

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## Carrying Capacity

Part 2 of 7 — Carrying Capacity

1. K = maximum population size the environment can sustain
2. Density-dependent factors: competition, predation, disease
3. Density-independent factors: natural disasters, climate
4. Population oscillates around K

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### Key Details

• K = maximum population size the environment can sustain
• Density-dependent factors: competition, predation, disease
• Density-independent factors: natural disasters, climate
• Population oscillates around K

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## Life History Strategies

Part 3 of 7 — Life History Strategies

1. r-selected: rapid reproduction, small offspring, little parental care
2. K-selected: slow reproduction, large offspring, extensive parental care
3. r-selected examples: insects, bacteria, annual plants
4. K-selected examples: elephants, whales, humans

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### Key Details

• r-selected: rapid reproduction, small offspring, little parental care
• K-selected: slow reproduction, large offspring, extensive parental care
• r-selected examples: insects, bacteria, annual plants
• K-selected examples: elephants, whales, humans

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## Community Interactions

Part 4 of 7 — Community Interactions

1. Competition: -/- (both harmed)
2. Predation: +/- (predator benefits, prey harmed)
3. Mutualism: +/+ (both benefit)
4. Parasitism: +/- (parasite benefits, host harmed)

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### Key Details

• Competition: -/- (both harmed)
• Predation: +/- (predator benefits, prey harmed)
• Mutualism: +/+ (both benefit)
• Parasitism: +/- (parasite benefits, host harmed)

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## Ecological Succession

Part 5 of 7 — Ecological Succession

1. Primary succession: starts on bare rock/new land
2. Secondary succession: starts after disturbance (fire, flood)
3. Pioneer species colonize first (lichens, mosses)
4. Climax community: stable, mature ecosystem

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### Key Details

• Primary succession: starts on bare rock/new land
• Secondary succession: starts after disturbance (fire, flood)
• Pioneer species colonize first (lichens, mosses)
• Climax community: stable, mature ecosystem

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## Population Ecology: Problem-Solving Workshop

Part 6 of 7 — Problem-Solving

1. Population growth calculations
2. Interpreting survivorship curves
3. Analyzing community interaction data
4. Predicting succession outcomes

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### Key Details

• Population growth calculations
• Interpreting survivorship curves
• Analyzing community interaction data
• Predicting succession outcomes

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## Population Ecology: Synthesis & AP Review

Part 7 of 7 — Synthesis & AP Review

1. Population ecology and conservation
2. Community interactions shape ecosystems
3. Human population growth
4. AP exam: mathematical population analysis

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### Key Details

• Population ecology and conservation
• Community interactions shape ecosystems
• Human population growth
• AP exam: mathematical population analysis

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