The right option is a.colostomy
A colostomy is a surgical
procedure in which an opening is made between the colon and body surface. During
colostomy, an opening is made by bringing one end of the large intestine or
colon out through the abdominal wall using incision. Colostomy is performed
when the large intestine is blocked or damaged and when a ruptured colon causes
an abdominal infection. The procedure may be short-term or permanent.
The color change is most likely due to the effect of "<span>(3) environmental conditions on gene expression" All these changes have to do with what will keep the fox alive for the longest amount of time. </span>
The cell goes in a "dormant phase". A good example is the neuron. Neurons are very metabolically active but they don't divide so they go into a phase that doesn't include growth or replication of genetic material.