Lungs and skin can also be part of the excretory system due to fact that they both excrete wastes.
Skin secretes excess water and salts
Your lungs help you get rid of waste gases
The answer is marcotting. This is for trees, shrubs and
semi-woody plants. The two cuts are then connected by a straight cut and the
bark is pried loose and removed. This involves pressing of a sharp knife
against the bark preferably as close as possible below a node, moving the knife
in circular motion around the stem.
C. Because mutations are varieties
<span>The trait that is ancestral to all chordates is the presence of a notochord...the others are gill slits and nerve chord</span>
