The conversion of physical energy or stimuli into neural activity that can be processed by the central nervous system is adaptation conduction saturation transduction

Correct D). Transduction

The process of conversion of stimulus or physical energy from one form to another is called as transduction. It occurs in the nervous system, where an electrical signal is being converted into the chemical signal by the release of a chemical called as neurotransmitters.

For example - The ear receives the sound energy from the outside environment and transduces it into a neural message to the brain.

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b