Another lesson to learn is that complex multicellular ecosystems existed in which there were clear predators and prey. Creatures had clearly developed tools and structures which had evolutionary advantages.
Another lesson to learn is that complex multicellular ecosystems existed in which there were clear predators and prey.
Creatures had clearly developed tools and structures which had evolutionary advantages.
http://nmnhgoph.si.edu/paleo/shale/pmarella.htm
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