Is any skin growth, such as a callus, in which there is overgrowth and thickening of the skin.

Hyperkeratosis is amy lesion with overgrowth and thickening of the skin, such as warts, calluses, and corns.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for