Resources important to man of today can be groupded into the following excepta.River resourcesb.Energy resourcesc.Forest and wildlife resourcesd.Food resources

The question seems to be asking which of the following options is not typically grouped as a resource important to man. The options are:

a. River resources b. Energy resources c. Forest and wildlife resources d. Food resources

All of these options - river resources, energy resources, forest and wildlife resources, and food resources - are indeed important resources for humans. Therefore, none of these options can be excluded as an important resource for humans.

However, if the question is asking for an option that is not typically grouped as a resource, the answer would depend on the specific context or classification system being used. In general, all of these options are considered important resources.