The main components of biodiversity occurring within organisms at a cellular level, describing the variety of life-producing material carrying variation information in all living things, is called genetic diversity.

Here's why:

* Cellular Level: Genetic diversity focuses on the variations within the DNA of organisms. DNA resides within the cells and provides the instructions for building and maintaining life.

* Life-producing Material: DNA is the blueprint for life, passed down from generation to generation, ensuring the continuation of species.

* Variation Information: Differences in DNA sequences (genes) create the variations we see within and between species, driving evolution and adaptation.

Let me know if you'd like to explore other aspects of biodiversity!