The symbols +, -, and o are to be used to show the results of interactions between individuals and groups of individuals in the examples that follow. The symbol + denotes a positive interaction, - denotes a negative interaction, and o denotes where individuals are not affected by interacting. The first symbol refers to the first organism mentioned.
-What interactions exist between the cattle egret and grazing cattle?

Question

Quizplus · Accepted Answer

The cattle egret benefits (+) by eating insects stirred up by grazing cattle, while the cattle are unaffected (o) by the presence of the egret.

The Symbols +, -, and O Are to Be Used