28 fev 66000000 ano antes da era comum - Paleozoic Period

Descrição:

Trilobites were fading as fish became more diverse. The ancestors of conifers appeared, and dragonflies ruled the skies. All this evolution took place against the backdrop of shifting continents and a changing climate.This was the time when plants evolved, though they most likely did not yet have leaves or the vascular tissue that allows modern plants to siphon up water and nutrients.

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