The proposal that one type of organism can change gradually into another type over a long period of time is known as . preservation evolution preformation natural history

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

loss of sensation to pressure and touch

the dorsal column–medial lemniscus pathway (dcml) (also known as the posterior column-medial lemniscus pathway (pcml)) is a sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (position) from the skin and joints.