However, when you're all clumped up, snipe happens.
A central nervous system-in which specialised sensory and motor nerve cells are clumped together into a nerve cord and brain-is usually the mark of more recent evolution.
However, when you're all clumped up, snipe happens.
A central nervous system-in which specialised sensory and motor nerve cells are clumped together into a nerve cord and brain-is usually the mark of more recent evolution.