Maturation is defined as the .a. physical growth and development of the body, brain, and nervous system. b. organism's ability to adapt to changing condtions. c. sum of all the external conditions affecting development. d. transmission of physical and psychological characteristics from parent to offspring.

Explanation:

Maturation -to attain the puberty.

Maturation is the process that a living thing goes through as it ages and becomes ripe and developed mentally physically and emotionally.  

The ways in which we grow and develop throughout our lifespan is called maturation

The process of becoming grown physically ,mentally and emotionally.

All living things develop through maturation, exp- plants , animals  etc.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms