What do animals do when an enemy is approaching?\nOptions:\n- feel pleasure\n- procreate\n- pass water\n- listen to each other\n- sing
Let’s work this out in a step by step way to be sure we have the right answer.
listen to each other
When enemy is approaching animals warn the other animals about it.

When other animals warn about something they listen to each other.

.

The final answer: listen to each other