A machine that requires a large number of component parts to work precisely together in order to function in a particular way, is said to be complex. Living cells, entire organisms and even the component molecular machines that make up living cells, are all highly complex. They are the result of conscious choices, not purposeless choices in a random process.

Related Resources

• Programming of Life (YouTube, 45 min)
• Programming of Life2: Earth (YouTube, 45 min)