Series of biological stages

Usage examples of lifecycles.

From the way you've described their lifecycles, they sound like classic von Neumann self-replicating machines.

The club has ten courts for tennis and racquetball, aerobics classes, four aerobic dance studios, two swimming pools, Lifecycles, a Gravitron machine, rowing machines, treadmills, cross‑country skiing machines, one‑on‑one training, cardiovascular evaluations, personalized programs, massage, sauna and steam rooms, a sun deck, tanning booths and a café with a juice bar, all of it designed by J.