You know how the dodo bird became extinct? It became too fat to fly.

In fact, the name ‘dodo’ likely originated from the Portuguese word, ‘simpleton’. The dodo bird lived very comfortably for much of its existence on an isolated island that lacked any natural predators. Over time the dodo bird grew bigger, and its wings grew smaller. Growing larger while having no predators emboldened the mighty dodo bird to become increasingly fearless.

And then humans showed up. And everything changed. Instantly.

The rapid and dramatic environmental changes left the dodo bird helpless. Because it was flightless, it couldn’t escape. It needed wings to survive but evolutionary processes don’t occur overnight, they take thousands of years. From happy, fat, and thriving to extinction. In the blink of an eye.

That’s the harsh reality of evolutionary biology – it only optimizes based on the past and present, never the future. Evolution is a reactive process. Environments can increase a…



Source link