Because the environment is faster then the squrrel has to find stuff for the nest and a safe spot
<span>The appropriate response is a cork. The cell was first found and named by Robert Hooke in 1665. He commented that it looked peculiarly like cells or little rooms which friars occupied, in this way determining the name. However what Hooke really observed was the dead cell dividers of plant cells (cork) as it showed up under the magnifying lens.</span>
They made the cell theory, concluding that all living things are made of cells.
Adaptions. Successfully. Characteristic. Environment. Natural. Poorly. Survive. Hope this helps!
Blood cells is the answer
