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HomeHomework HelpbiologyLogistic Growth

Logistic Growth

Logistic growth refers to a population growth model characterized by an initial exponential increase followed by a slowdown as the population approaches the carrying capacity of its environment, resulting in an S-shaped curve. This model accounts for limiting factors such as resource availability and environmental constraints that affect population size over time.

intermediate
2 hours
Biology
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Overview

Logistic growth is a crucial concept in ecology that describes how populations grow in a limited environment. Initially, populations may grow rapidly, but as resources become scarce, growth slows and stabilizes around the carrying capacity. This model helps us understand the dynamics of various spec...

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Key Terms

Carrying Capacity
The maximum population size that an environment can sustain indefinitely.

Example: The carrying capacity of a forest may be determined by the amount of food and shelter available.

Exponential Growth
A growth pattern where the population increases at a constant rate over time.

Example: Bacteria can exhibit exponential growth under ideal conditions.

Population Dynamics
The study of how and why populations change over time.

Example: Population dynamics can help predict future population sizes.

Environmental Resistance
Factors that limit population growth, such as food shortages and predation.

Example: Environmental resistance can slow down population growth as resources become scarce.

Logistic Growth Model
A mathematical model that describes how populations grow in an environment with limited resources.

Example: The logistic growth model is often represented by an S-shaped curve.

S-Curve
The graphical representation of logistic growth, showing initial rapid growth followed by a slowdown.

Example: The S-curve illustrates how a population grows until it reaches its carrying capacity.

Related Topics

Exponential Growth
Focuses on populations that grow without limits, often leading to unsustainable sizes.
intermediate
Population Ecology
Studies the dynamics of populations in relation to their environment.
intermediate
Carrying Capacity
Explores the factors that determine the maximum population size in an ecosystem.
intermediate

Key Concepts

carrying capacitypopulation dynamicsgrowth rateenvironmental resistance