If 4 individuals in a laboratory population of 40 fruitflies during a specified time interval (i.e., a week), the rate in the population during that ***** is
(a) 1
(b) 0.1
(c) 0.01
(d) 0.4
Explanation:
Mortality or rate refers to the of individuals in a population.
***** rate = No. of deaths/Total population
=4/40 = 0.1 individuals per fruitfly per week
