Question

why is ingestion found only in animals?​

Answer 1

Answer:

All living beings require nutrients to survive. Plants obtain these nutrients through photosynthesis while animals obtain these nutrients from the food they consume. ... Animals need to convert these macromolecules into simple ones. They do so by a special organ system present in the body known as the digestive system.

Answer 2

Answer:

Animals use the organs of their digestive systems to extract important nutrients from food they consume, which can later be absorbed.