cf7df6fd-a77d-4699-9f6a-5f16df055b35
prompter
Why don't animals have wheels? Answer as briefly as possible.
a3122812-d076-4902-82fa-0b1e465c5e4c
cf7df6fd-a77d-4699-9f6a-5f16df055b35
assistant
Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not seem to play a significant role in the movement of living things. First, there are several developmental and evolutionary obstacles to the advent of a wheel by natural selection. Secondly, wheels are often at a competitive disadvantage when compared with other means of propulsion.
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a3122812-d076-4902-82fa-0b1e465c5e4c
prompter
That doesn't sound right.