Best Of Both Worlds
In this case, Mother Nature gave the green light to these boys and girls because it was a better way to survive the harsh conditions surrounding the Galapagos islands.
The marine iguanas couldn’t find enough seaweed (their staple food), but even though there was plenty of food on land, it was too hard for them to traverse the rocky shores. So, they made children that had the best of both worlds. This all brings us back to our story of the two humanoids.