Solution:

• Holozoic nutrition is a method of nutrition that involves the ingestion of liquid or solid organic material, digestion, absorption and assimilation of it to utilize it.
• This nutrition involves:
  1 Ingestion: Taking in complex organic food through mouth opening
  2 Digestion: Change of complex food into simple form by action of enzymes.
  3 Absorption: Passing of simple, soluble nutrients through blood or lymph.
  4 Assimilation: Utilization of absorbed food for various metabolic processes. 5 Egestion: Expelling out the undigested food.