It does not allow for asexual selection, sexual selection, or the Creation of new species to be based on spectral input and/or visual perception. There’s no model for that!
…the only sense that’s common to all species on this planet is the sense of smell…
The “chain of causality” of epigenetic changes has been established across all species via the basic principles of biology and levels of biological organization.
chemical signals from food and from conspecifics the most important of all signals involved in biologically based cause and effect.
Similarities and differences between food odors and pheromones help to clarify how human pheromones work with an example of an experiment and results that show a mixture of two chemicals influences behavior.