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Question
Describe briefly:
Absolute and relative growth rates.
Solution
The measurement and the comparison of total growth per unit of time is called the absolute growth rate.
The growth of the given system per unit time expressed on a common basis, e.g., per unit initial parameter is called the relative growth rate.
`therefore "Growth in given time period"/"Measurement at start of time period"`
Suppose two leaves have grown by 5 cm2 in one day. initial size of leaf A was 5 cm2, while that of leaf B was 50 cm2. Though their absolute growth is the same (5 cm2/day), the relative rate of growth is faster in leaf A (5/5) because of initial small size than in leaf B (5/50).
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