The correct option is D Change their external environment
All the given characteristics are peculiar and prominent for the living things.
Living things cannot change their external environment, as because the external environment depends upon the several biogeographical factors. Living things adjust themselves according to external environment, as they have immense potential of homeostasis, which helps them to acclimatize according to the changing environment. Skin and the hormonal response helps to sense the changing condition which is further analyzed by the brain in parietal lobe.