टेकिंग ऑफ बिग ओर स्मॉल पार्टिकल पार्टिकल ऑफ फूड इज कॉल्ड
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Answer:
Ingestion
Explanation:
For animals, the first step is ingestion, the act of taking in food. The large molecules found in intact food cannot pass through the cell membranes. Food needs to be broken into smaller particles so that animals can harness the nutrients and organic molecules.
This is the first part of digestion.
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