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Table 4 Life table depicting survival of D. melanogaster in medium with tulsi extract

From: Effects of sodium fluoride and Ocimum sanctum extract on the lifespan and climbing ability of Drosophila melanogaster

Age interval (in days)

Number surviving at the beginning of age interval (nx)

Number dying during the age interval x to x+1 (dx)

Age-specific mortality rate (qx)

Average number of days lived by flies x to x+1 (lx)

0-07 days

60

1

1.6

59.5

07-14 days

59

12

20.3

53

14-21 days

47

1

2.12

46.5

21-28 days

46

19

41.3

36.5

28-35 days

27

7

25.9

23.5

35-42 days

20

4

20

18

42-49 days

16

6

37.5

13

49-56 days

10

6

60

7

56-63 days

4

4

100

2

63-70 days

0

0

0

0