Swimming around, looking for food, big tough Opisthokonts are becoming the John Wayne of the unicellular world. There's not as many of them as there are bacteria, but they live longer.
(This next decision is a little arbitrary, because biologists aren't really sure yet what caused the speciation)
Will you ingest your food - pull lumps right into you - or will you absorb molecules directly through the cell wall? To put it another way, will you pull your food into you, or will you grow into your food?
I'll stuff my face.
Ill rub my face in it.
Evolution starts with the Last Universal Ancestor.
You can find out what happened before evolution here.
You can also short-cut to Land plants, or Animals
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