Current work tends to be more focused on specific biological systems, and ranges across the animal kingdom, from nematodes to humans.
It is a rare phenomenon in the animal kingdom.
Symmetry, on the other hand, in all of its forms and functions, is ubiquitous in the animal kingdom.
As the animal kingdom evolved, the family expanded, presumably to meet the need for fulfilling more-complex tasks.
The remarkable functional conservation of cell-to-cell coupling throughout the animal kingdom, however, is not matched at the molecular level of the structural protein components.
The ability to process information rapidly is of central importance for survival in the animal kingdom.
In fact, humans follow the general trends within the animal kingdom.
Nothing like it exists in the animal kingdom.
