Science
How fussy eating and changing environments led to the diversity of sharks today (and spelled the end for megaladon) – The Conversation AU – Devonport Online News
Sharks have been around for more than 400 million years — but not all sharks are equally resilient to changes around them. Why……
Before humans and early primates, before dinosaurs, and even before trees, there were sharks. Sharks have been around for more than 400 million years (although how long exactly remains contested). They have survived five major mass extinctions.But the……
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