Answer:
The correct answer will be option- Commensalism
Explanation:
The organisms interact with the abiotic factors and the biotic factors in an ecosystem. The interaction with biotic factors includes interaction with other organisms which could be beneficial, harmful or neither harmful nor beneficial.
The interaction between the cattle egrets which eats the insects flushed by the cattle and the cattle in return are unaffected forms a type of interaction between them called commensalism. This interaction is called commensalism as it is the interaction between an organism in which one organism is benefitted while other is unaffected.
Thus, commensalism is the correct answer.
