Food & Drink. Healthy Foods. 8 high-sodium foods that are OK to eat. When sodium pops up in the news these days, the conversation most often focuses on where it hides (bread, milk, processed items) and how to avoid it (donât eat these foods).
No one knows exactly when or how the cat first appeared on Earth. Most investigators agree, however, that the cat's most ancient ancestor probably was a weasellike animal called Miacis, which lived about 40 million or 50 million years ago. Miacis.
So there we have it - the first animal on earth was a marine organism. It was not until 240 million years later that the first animal showed up on land. This was a four-legged amphibian called Ichthyostega, which is a Greek term meaning fish roof.