The J-shaped and the S-shaped curves are different in the following ways:
J-shaped Curve |
S-shaped Curve |
The exponential growth of population over time. |
The sigmoid or the logistic growth of population over time. |
It occurs when there are plenty of resources. |
It occurs when the resources are limited. |
It occurs in two phases- log and lag phase. |
It occurs in lag phase, log phase, deceleration phase and stationary phase. |
The stationary is not usually reached. |
The stationary phase is reached. |
It takes into account the carrying capacity. |
It does not take into account the carrying capacity. |