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
flagRepublic of Ireland
90%
2%
4%
2%
42
flagGermany
81%
3%
5%
9%
151
flagthe Netherlands
80%
4%
7%
4%
42
flagthe United Arab Emirates
80%
0%
0%
15%
20
flagCzech Republic
78%
0%
0%
21%
19
flagFrance
76%
5%
7%
7%
38
flagMalaysia
76%
14%
0%
4%
21
flagGreece
75%
4%
0%
20%
24
flagPoland
72%
5%
9%
11%
12261
flagUnknown
71%
7%
9%
11%
459
flagItaly
70%
5%
15%
10%
20
flagthe United Kingdom
69%
7%
8%
12%
341
flagCanada
65%
0%
8%
25%
35
flagPakistan
64%
10%
7%
15%
57
flagNorway
63%
15%
10%
10%
19
flagSingapore
61%
9%
9%
19%
21
flagIndia
57%
10%
11%
15%
408
flagAustralia
57%
17%
10%
10%
28
flagthe United States
52%
10%
12%
20%
646
flagthe Philippines
52%
7%
9%
26%
65

Gender

men68%
women70%
it is poisonous to insects
68%
70%
it attracts bees
7%
6%
it is an useless by-product
10%
9%
it moisturizes leaves
13%
13%

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What is the natural role of nicotine in tobacco plant?
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