What is the natural role of nicotine in tobacco plant?

it is poisonous to insects
it attracts bees
it is an useless by-product
it moisturizes leaves
Nicotine is a pow­er­foul neu­ro­tox­in to insects. Many plants other than tobacco contain it, however the con­cen­tra­tion of nicotine in tobacco is ex­cep­tion­al­ly high. Even though some species have evolved the ability to feed on tobacco, it remains rel­a­tive­ly easy to grow, being un­palat­able to most species. In some places, tobacco became an invasive weed.

Answers distribution

it is poisonous to insects
it attracts bees
it is an useless by-product
it moisturizes leaves
answers
flagCzech Republic
92%
0%
0%
7%
14
flagRepublic of Ireland
85%
0%
10%
5%
20
flagPakistan
80%
0%
6%
12%
31
flagthe Netherlands
80%
4%
12%
0%
25
flagGermany
78%
3%
6%
10%
102
flagMalaysia
78%
7%
0%
7%
14
flagFrance
75%
3%
10%
6%
29
flagItaly
72%
0%
9%
18%
11
flagPoland
69%
6%
10%
12%
7064
flagthe United Kingdom
64%
7%
11%
15%
223
flagCanada
61%
0%
9%
28%
21
flagIndia
56%
9%
14%
15%
222
flagthe United States
51%
11%
12%
21%
481
flagthe Philippines
51%
4%
12%
31%
41
flagSingapore
50%
10%
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20%
10
flagAustralia
47%
26%
10%
10%
19

Gender

men64%
women68%
it is poisonous to insects
64%
68%
it attracts bees
9%
6%
it is an useless by-product
10%
9%
it moisturizes leaves
15%
15%

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What is the natural role of nicotine in tobacco plant?
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