As a source of Cellular respiration .......
The endomembrane system has the different membranes that are suspended in the cytoplasm within a eukaryotic cell. The membranes divide the cell into functional and structural compartments, or organelles.
If the pacific ocean was rimmed by the ring of fire we can conclude that the plate boundaries are constantly moving
Mutation is random because there is really no way of knowing whether a child will inherit it, whereas natural selection is predisposed in either parent.
The answer is B. Platypus, as they are mammals that lay eggs.