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>
Mutation. endangerment and possible* extinction
(*= not likely)
Hope i help.
There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
Answer:
An old penny rusting
Explanation:
A penny forming rust is the penny being chemically altered and changing form as opposed to dissolving sugar in water, which is still sugar, just mixed with water. It doesn't change the chemical makeup of the water or sugar.