When did first animals appear?

6 thousand years ago
600 - 750 million years ago
10 million years ago
it's impossible to define
The oldest animals are found in the Ediacaran biota, towards the end of the Precambrian, around 610 million years ago. It had long been doubtful whether these included animals, but the discovery of the animal lipid cholesterol in fossils of Dickinsonia establishes that these were indeed animals.
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Answers by country

6 thousand years ago
600 - 750 million years ago
10 million years ago
it's impossible to define
answers
flagGreece
9%
81%
0%
9%
11
flagthe United States
3%
68%
15%
12%
32
flagthe United Kingdom
4%
56%
13%
26%
23
flagGermany
3%
54%
25%
16%
31
flagIndia
0%
53%
7%
30%
13
flagPoland
3%
49%
24%
22%
4417
flagPakistan
0%
40%
10%
50%
10