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27/09/2020 10:22 am
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If 4 individuals in a laboratory population of 40 fruitflies died during a specified time interval (i.e., a week), the death rate in the population during that period is
(a) 1
(b) 0.1
(c) 0.01
(d) 0.4
1 Answer
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27/09/2020 10:23 am
(b) 0.1
Explanation:
Mortality or Death rate refers to the death of individuals in a population.
Death rate = No. of deaths/Total population
= 4/40 = 0.1 individuals per fruitfly per week