Question

the complex framework made of protein fibers inside of cells that provides support and allows the cell to change shape is called the

Explanation:

The question is about a cellular structure made of protein fibers that provides support and enables shape change. In biology (a subfield of Natural Science), the cytoskeleton is this structure. It consists of microfilaments, microtubules, and intermediate filaments, which give the cell its shape, support organelles, and are involved in cell movement and division.

Answer:

cytoskeleton