Final answer:
Mechanical adaptation is not a common type of biological adaptation; instead, functional, behavioral, and structural adaptations are the recognized types that help organisms survive in their environments.
Step-by-step explanation:
The type of adaptation that is not listed among common types of adaptations in biology is Mechanical. In biology, the main types of adaptations are Functional, which relate to the functions of organisms and their physiological processes; Behavioral, which involve the behaviors that organisms exhibit to survive in their environments, such as mimicry and camouflage; and Structural adaptations, which are physical traits of an organism that enhance survival, like the number of heart chambers mentioned in evolutionary adaptation. Mechanical adaptations are not commonly referenced in the context of biological adaptations, as they are typically associated with engineering and mechanics rather than biological organisms.