Land plants developed stomata to with

This is a type pf behavior that animals are born with and them to survive

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity