cephalization Definition
the evolutionary trend toward the concentration of nervous tissue and sensory organs at the anterior end of an organism, resulting in the development of a head and brain.
Using cephalization: Examples
Take a moment to familiarize yourself with how "cephalization" can be used in various situations through the following examples!
Example
Cephalization is a characteristic of most bilaterally symmetrical animals.
Example
The cephalization of the nervous system is considered a key innovation in animal evolution.
Summary: cephalization in Brief
Cephalization [ˌsɛfəlaɪˈzeɪʃən] is the evolutionary trend towards the concentration of nervous tissue and sensory organs at the anterior end of an organism, resulting in the development of a head and brain. This is a characteristic of most bilaterally symmetrical animals and is considered a key innovation in animal evolution.