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Q.

If ‘8’ Drosophila in a laboratory population of ‘80’ died during a week, the death rate in the population is _____ individuals per Drosophila per week.

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a

10

b

1.0

c

zero

d

0.1

answer is D.

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Detailed Solution

Per capita death rate (d) = No. of deaths/ total population size.
d = 8/80 = 0.1

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