Answer:
C
I think buffers prevents small amounts of acids and blood from coming and changing the pH of the body, because the buffers are barriers that do not let blood and acid pass through.
Hope it helps!
Milkweed-Caterpillar-frog-bird
Answer:
As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.
Answer:
enzyme activity be affected by a variety of factors such as temperature,pH, concentration
<span>as animals get separated from each other, they soon start to adapt to the new environments which is called speciation</span>
