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
84%
3%
7%
3%
26
flagthe Netherlands
81%
6%
9%
0%
32
flagGermany
79%
3%
6%
10%
130
flagCzech Republic
78%
0%
0%
21%
19
flagthe United Arab Emirates
77%
0%
0%
16%
18
flagPakistan
76%
7%
4%
11%
42
flagMalaysia
76%
11%
0%
5%
17
flagFrance
75%
5%
8%
8%
37
flagItaly
75%
6%
6%
12%
16
flagPoland
71%
5%
9%
11%
10512
flagUnknown
70%
6%
9%
12%
243
flagthe United Kingdom
68%
6%
9%
13%
300
flagSingapore
63%
10%
10%
15%
19
flagGreece
62%
6%
0%
31%
16
flagCanada
61%
0%
9%
29%
31
flagNorway
60%
20%
6%
13%
15
flagIndia
56%
9%
12%
16%
323
flagthe United States
51%
11%
12%
21%
605
flagthe Philippines
51%
6%
11%
31%
45
flagAustralia
50%
20%
12%
12%
24

Gender

men67%
women70%
it is poisonous to insects
67%
70%
it attracts bees
8%
6%
it is an useless by-product
9%
8%
it moisturizes leaves
14%
14%

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What is the natural role of nicotine in tobacco plant?
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