That's true - and we see that sort of "seeking" behaviour in single celled organisms as well (e.g. https://www.mit.edu/~kardar/teaching/projects/chemotaxis(Andr

That's true - and we see that sort of "seeking" behaviour in single celled organisms as well (e.g. https://www.mit.edu/~kardar/teaching/projects/chemotaxis(AndreaSchmidt)/finding_food.htm https://www.mit.edu/~kardar/teaching/projects/chemotaxis(And...) - but this can be explained by a pretty simple feedback loop, and so the the difference in complexity between that and, say, the ability to keep track of different individuals in a social group and reacti differently, is orders of magnitude.