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earliest animalsLive Science
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73% Informative
Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started around 541 million years ago .
A study using chromosomal data from modern ctenophores argues they were the first known animals.
A paleobiologist at Laurentian University in Ontario proposes what she says is an 890 million -year-old sponge.
She thinks the earliest animal fossils probably had little or no pattern.
"It would have looked like a microscopic bit of slime," she said. Katherine Irving is a freelance science journalist specializing in wildlife and the geosciences. After graduating from Macalester College , where she wrote screenplays, excavated dinosaur bones and vaccinated wolves, Katherine dove straight into internships with Science Magazine and The Scientist . She now contributes to the Science Magazine podcast and loves reporting about the beautiful intricacies of our planet..
VR Score
88
Informative language
93
Neutral language
64
Article tone
informal
Language
English
Language complexity
55
Offensive language
not offensive
Hate speech
not hateful
Attention-grabbing headline
not detected
Known propaganda techniques
not detected
Time-value
long-living
External references
5
Source diversity
5
Affiliate links
7