FILL IN THE BLANKS WILL MARK BRAINLIST Animals make the that plants need, and plants make the that animals need.

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Which anatomical plane is the only one that could not show both the sternal region and vertebral region

The largest unit within which gene flow can readily occur is a