1. Catalyst

2. Linear vs. Exponential growth
Continues to grow at faster and faster rates (J-shaped curve)
Linear Growth
Steady growth
(straight line)
This is the type of growth seen in populations

3. Limiting Factors
Limiting Factors: biotic and abiotic factors that limit growth and reproduction
Could populations continue to grow exponentially?
Examples:
sunlight, climate, temperature, water, food, space, competition with other organisms

4. Carrying Capacity
Instead of growing forever, populations level out at a certain point because of limiting factors.
L i m i t i n g F a c t o r s
Exponential Growth
Population
Time

5. Carrying Capacity
The maximum number of organisms that an environment can support is called the carrying capacity
L i m i t i n g F a c t o r s
Exponential Growth
Carrying Capacity
Population
Time

6. Natural Population Growth

7. Carrying Capacity

8. Unrestricted Growth

9. Invasive Species-Kudzu

10. GAME TIME!!

11. Japanese Beetle-NOT a Ladybug