Radiation adaptation refers to the phenomenon of biologically related organisms that have completely different adaptations in form and living habits due to living in different environments.
According to the above definition, which of the following options belongs to radiation adaptation?
The flying albatross has a wingspan of more than 3.4 meters. The ostrich, which is good at running on the sand, has a huge body, with weakened wings and strong legs, and its feet have almost degenerated into hoofs suitable for running.