Krowing

Narrator: Millions of years ago, our planet we call home was a very different place. Earth started out as a big mass of hot gas and rock, but it eventually cooled down to become a solid planet. Then, when the great oceans formed, some of the very first forms of life made their first appearance on Earth. Microscopic life is shown within the deep blue sea. It started as one microscopic organism until millions of them roamed across the sea like a swarm. So much of these creatures there were, who could keep track of all of them? ChipmunkRaccoon Presents Narrator: First, tiny microscopic creatures... Over time, some of the early fish began to