According to a new study, simple sea sponges were the first animal to appear on our planet about 640 million years ago, more than 100 million years before the Cambrian Explosion. The results sugges…
{"Image ImageDescription": "Colorful red finger sponge and brown tube sponges on Belize reef", "Image DateTime": "2013:05:03 15:38:03", "Image Artist": "Dennis Sabo", "Image Copyright": "Copyrighted by Dennis Sabo"}