*Cybernetics - the theoretical study of how highly automatic and inter-articulated systems are controlled.
*Keel - In avian anatomy the central (medial) pronounced ridge on the sternal bone of the bird where powerful flight muscles attach.
*Sternum - The breastbone, a compound, ventral bone to which ribs and skeletal musculature are attached.
Algorithm - a defined sequence of steps, often repetitive that are used to solve a problem, often a mathematical one.
Speciation - The formation of two new species from one by an isolating process that allows two populations of a species to become genetically distinct from each other to the point of intersterility.
Pg. 468 Fig 13.36h