Growth curve
Growth Curve
A Growth Curve (pronunciation: /ɡrəʊθ kɜːv/) is a graphical representation of the change in the size or number of cells, organisms, or populations over a period of time.
Etymology
The term "Growth Curve" is derived from the Latin word 'crescere' meaning 'to grow' and the Middle English word 'curve' meaning 'bent or curved line or surface'.
Definition
A Growth Curve is a graphical representation that shows the growth of a quantity over time. It is used in various fields such as Biology, Microbiology, Population Ecology, and Economics to study and understand the growth patterns of cells, organisms, populations, or economic parameters.
Types of Growth Curve
There are mainly three types of growth curves:
- Exponential Growth Curve: This curve represents a population that is growing exponentially. The growth rate is proportional to the size of the population.
- Logistic Growth Curve: This curve represents a population that is growing in a logistic manner. The growth rate decreases as the population size approaches a maximum sustainable size, known as the carrying capacity.
- Gompertz Growth Curve: This curve represents a population that is growing in a sigmoidal manner. The growth rate decreases exponentially with time.
Related Terms
- Carrying Capacity
- Population Density
- Population Growth
- Sigmoidal Growth
- Logistic Growth
- Exponential Growth
- Gompertz Growth
External links
- Medical encyclopedia article on Growth curve
- Wikipedia's article - Growth curve
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