3min chapter

Let's Learn Everything! cover image

33: Immortality, Before Trees, and Emojis đź’©

Let's Learn Everything!

CHAPTER

The First Fossils of the Cambrian Period

Before forests of trees, there was something that stood in its place. According to Smithsonian Magazine, there were giant spires of life. Ferns, horseshoe crabs have remained pretty much exactly the same for 445 million years. National Geographic says these organisms boasted trunks of up to 24 feet or eight meters high and as wide as three feet or one meter.

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