Some migratory birds have adapted to use protein from many parts of their bodies, including protein from the intestines, as additional energy during migration.
Tacit programming is of theoretical interest, because the strict use of composition results in programs that are well adapted for equational reasoning.
Improved attachment systems - such as a cam action step-in system similar to a ski binding and particularly well adapted to plastic technical mountaineering boots - have widely increased crampons use.
Another notable group are the mutants- humanoid beings that have adapted and gained inhuman powers, psionic and otherwise, due to radiation exposure and natural selection.
Even though the animal population had successfully adapted to the harsh terrain, several factors likely contributed to a dilution of the pure gene pool.
