Question

23. How do single cell organisms obtain their nutrition?​

Answer 1

Answer:

The digestive system is different in various animals, so the food and the way nutrition is obtained differ.

In single celled-organisms, like amoeba, the food is taken in by the entire body surface and digested with the heklp of enzymes in the food vacuole. As the complexity in the body of animals increases, different parts specialised to perform different functions like ingestion, digestion, absorption digested food and utilisation.

Answer 2

Many unicellular organisms live in bodies of water and must move around to find food. ... Plant-like protists, and some types of bacteria, can make their own food through photosynthesis. Other micro-organisms, such as fungi and bacteria, interact with one another to obtain nutrients