Physiological adaptations are those adaptations which occurs at the metabolic level in the organisms. These adaptations occurs in the cells, tissues and organs of the body of the organism in response to external environmental stimulus. Physiological adaptations are beneficial for the survival of the organisms against predators. These adaptations generates a defense mechanism in the body of the organism, in order to increase it's chances of survival.
Octopuses ability to squirt ink is an example of physiological adaptations as the ink is released in the water by these organisms in order to escape themselves from predators.
Autopsy’s allow people to know the cause of death of the person. They can tell you if the person was intoxicated, injured, how they were killed, also it can be a huge evidence source to solve other cases that have similar causes of deaths. Hope it helps :)