Actions and Interactions

The methods available to cells and organisms for interacting with the `physical' environment and with other cells and organisms have already been discussed: issues such as the collection of energy tokens from the environment, and moving around the grid, were explained in Section 4.5; intercellular communications (i.e. the transfer of energy tokens and regulators) have been mentioned in Sections 4.3.9 and 4.5.2; and inter-organism communications have been mentioned (from the point of view of the mechanisms involved) in Sections 4.3.7 and 4.5.5. In the present section, more will be said about some higher-level effects and implications of both types of communication.