TASK DEFINITION: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
PROBLEM: Insular dwarfism , a form of phyletic dwarfism , is the process and condition of large animals evolving or having a reduced body size when their population 's range is limited to a small environment , primarily islands .

SOLUTION: Island dwarfism , or insular dwarfism , is the reduction in size of large animals over a number of generations .

PROBLEM: A doorstop ( also door stopper , door stop or door wedge ) is an object or device used to hold a door open or closed , or to prevent a door from opening too widely .

SOLUTION: A doorstop ( or door stop or doorstopper ) is a tool .

PROBLEM: Raw milk or unpasteurized milk is milk that has not been pasteurized , a process of heating liquid foods to decontaminate them for safe drinking .

SOLUTION:
Raw milk is milk which is not pasteurized .