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But in how many of those 10M years have humans been observing and recording Orca hunting behavior toward sharks? The first writing systems only date back ~5000
by Johnny555 9y ago
But in how many of those 10M years have humans been observing and recording Orca hunting behavior toward sharks? The first writing systems only date back ~5000 years.
- ajross 9y agoI know. It was a segue to a point about cetacean evolution. Like great apes, they're pretty recent innovations.