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.
Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
Answer:
A. the population must be very large