Bipedalism has several advantages comparing to quadrupedalism:
<span><span>· </span><span>Raising the head - This brings to the greater field of vision, detection of distant predators or food,</span></span>
<span><span>· </span>Speed - the maximum speed of bipedal animals is higher,</span>
<span><span>· </span><span>Non-locomotory limbs - become available for other functions (for example, manipulation, flight).</span></span>
Lysosomes use or make use of hydrolyzing and other digestive enzymes to break down foreign matter and dead cells. Upon releasing such substances, these substances are broken down and are released from the cell.
Subtractive process is used to form sculpture is by removing material from a block or mass of wood, stone, or any other material. This is usually done with sharpened tools.
Carving is one of the oldest sculptural techniques. Whereas, casting, modeling, and assembling are the other three techniques.
Sculptural materials that are soft, pliable, and are easily manipulated possess ephemeral property. Examples of such materials are plaster of Paris, wax, unfired clay, and plasticine<span>.</span>
