What are hedgehog's spines made of?

bones
keratin
chitin
cartilage
Keratin is a fibrous protein, a key struc­tural com­po­nent of the hair, nails, horns, claws and hooves of mammals. Hedgehog spines are hollow hairs made stiff with keratin.

Answers distribution

bones
keratin
chitin
cartilage
answers
flagthe United Arab Emirates
4%
84%
4%
8%
25
flagGreece
0%
73%
8%
17%
23
flagUkraine
3%
66%
16%
13%
53
flagIndia
3%
65%
19%
12%
352
flagthe United Kingdom
4%
64%
15%
15%
396
flagAustralia
6%
64%
16%
9%
31
flagFrance
6%
63%
20%
10%
30
flagGermany
2%
62%
16%
17%
201
flagRepublic of Ireland
4%
62%
21%
12%
66
flagthe Netherlands
4%
61%
27%
6%
44
flagPoland
4%
59%
21%
14%
16120
flagItaly
0%
58%
33%
8%
24
flagCanada
9%
57%
11%
21%
42
flagSweden
0%
57%
23%
19%
26
flagthe United States
4%
56%
18%
18%
565
flagPakistan
1%
52%
29%
13%
51
flagthe Philippines
8%
52%
20%
18%
48
flagUnknown
3%
50%
27%
18%
773
flagNorway
8%
41%
29%
20%
24
flagRussia
0%
40%
48%
12%
25

Gender

men53%
women55%
bones
3%
3%
keratin
53%
55%
chitin
25%
25%
cartilage
17%
16%

Language versions

question
answers
results
flag
Woraus bestehen Igel-Stacheln?
0
0%
flag
What are hedgehog's spines made of?
1532
60%

Details

Author: globalquiz.org
Illustration: Daniel Wehner
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.