The ability of an animal to maintain a stable internal environment is called homeostasis.
The answer to ur question is A
Radius temperature and brightness
It is necessary for the pancreas to secrete a high pH solution into the intestine in order to neutralize the acidity of the processed food particles [chyme] that are passed into the intestine and to provide a suitable pH for the enzymes in the intestines that will act on the processed food particles.
D. DNA replication
DNA always forms proteins
