What is logistic and exponential growth?

Explanation

### Step-by-Step Solution:

1. **Definition of Growth Models**:
- **Exponential Growth**: This type of growth occurs when resources are unlimited. It is characterized by a rapid increase in population size, represented by a J-shaped curve on a graph. The population grows exponentially, meaning it doubles at regular intervals under ideal conditions.
- **Logistic Growth**: In contrast, logistic growth occurs when resources are limited. This growth is represented by an S-shaped (sigmoid) curve on a graph. Initially, the population grows rapidly, but as resources become scarce, the growth rate slows down and eventually stabilizes when the population reaches the carrying capacity of the environment.

2. **Graphical Representation**:
- **Exponential Growth Curve**: The graph starts with a slow increase, then rises steeply as the population grows rapidly due to abundant resources.
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