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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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pkclary pkclary
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6 years ago
The largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period?
A) Permian
B) Cretaceous
C) Tertiary
D) Devonian
E) Silurian
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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adamdidthisadamdidthis
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6 years ago
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pkclary Author
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6 years ago
Just got PERFECT on my quiz
deathwing
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Yesterday
this is exactly what I needed
Fanmkreyol
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2 hours ago
Thanks
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