Question

Describe briefly
al Sigmoid growth curve
by Absolute and relative growth
rates​

Answer 1

Explanation:

Absolute growth rate refers to the measurement and comparison of total growth per unit time. Relative growth rate refers to the growth of a particular system per unit time, expressed on a common basis.

Mark me in brain list

Answer 2

a) Sigmoid growth curve is the result of geometric growth. Sigmoid curve is a characteristic of living organism growing in a natural environment. It consist of log phase, lag phase and stationary phase.The growth increases rapidly in log phase and it slows down in lag phase and with limited nutrient supply it undergoes a stationary phase

It is represented by the expression

W1 = W0 e^rt

B) Total growth per unit time is called absolute growth rate. The growth of given system per unit time expressed on a common basis. example per unit initial parameters is called relative growth rate. If there are two leaves. One of 5 cm² and other of 50 cm². Both grows by 5 cm² extra. Absolute growth rate is 5 cm² for both. Relative growth rate for 5cm² is more than 50cm².

Relative growth rate =

extra area grown excluding initial area/Total grown area ×100

So for 5 cm² Relative = 5/10 ×100 = 50%

55 cm² Relative = 5/55 ×100 = 9%

So relative of 10>55