Question

. In a laboratory there are 40 fruitflies last week and during
experiment 4 fruitflies died in a week. Calculate the death
rate.
(A) 0.1 individual per fruitfly per year
(B) 0.36 individual per fruitfly per week
(C) 0.4 individual per fruitfly per week
(D) 0.1 individual per fruitfly per week
me aroun is called​

Answer 1

Answer:

Death rate is the number of death in a particular area in a particular time period per 1000 individual. It is calculated by total number of death divided by total number of population.

Death rate = Total number of death / total population x 1000

= 8 /80 x 1000 = `100 individuals per 1000 individuals per week.

Thus, the death rate is 10% per week.

Thus, the correct answer is '10%.'