We Never Know
No Slack
Something to think about.
"More than 400 vertebrate species became extinct in the last 100 y, extinctions that would have taken up to 10,000 y in the normal course of evolution"
Vertebrates on the brink as indicators of biological annihilation and the sixth mass extinction
"More than 400 vertebrate species became extinct in the last 100 y, extinctions that would have taken up to 10,000 y in the normal course of evolution"
Vertebrates on the brink as indicators of biological annihilation and the sixth mass extinction