Answer:
B
Explanation:
If the traits are favorable this means nature would select it.
<span>The supertree would just be a tree of all mammals. The cyn. would be at the very base of the tree, one of the first branches. (though this is poor phylogenetic theory since you cannot have extinct species in a tree)</span>
I think we'll need more info on this
The PLATO answer is B: <span>The Casparian strip is a waxy belt that transverses the walls of endodermal cells.
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Answer:
The cell membrane's main trait is its selective permeability, which means that it allows some substances to cross it easily, but not others. Small molecules that are nonpolar (have no charge) can cross the membrane easily through diffusion, but ions (charged molecules) and larger molecules typically cannot.
