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Question

Define the following terms: [5 MARKS]
(a) Birth rate
(b) Death rate
(c) Rate of growth of population
(d) Population density
(e) Exhaustible resource


Solution

Each Part: 1 Mark

(a) Birth rate: It is defined as the number of children born per 1000 living persons per year.
(b) Death rate: It is defined as the number of deaths per 1000 living persons per year.
(c) Rate of growth of population: It is defined as the difference between birth rate and death rate.
(d) Population density: It is defined as the number of individuals per square kilometer at any given time.
(e) Exhaustible Resource: The resources which are limited in nature and if not used judiciously may exhaust in future, e.g. cola, petroleum, etc.

Biology

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