The correct order of steps occurring in nutrition in animals is :
A. Ingestion `rarr` Absorption `rarr` Digestion `rarr` Assimilation `rarr` Egestion
B. Ingestion `rarr` Digestion `rarr` Assimilation `rarr` Absorption `rarr` Egestion
C. Ingestion `rarr` Digestion `rarr` Absorption `rarr` Assimilation `rarr` Egestion
D. Ingestion `rarr` Assimilation `rarr` Digestion `rarr` Absorption `rarr` Egestion