Q: Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Cells are the fundamental units of life. Given the two facts above, the fundamental units of life vary in size and shape but are all very what?

Options: [I] elastic. [II] large. [III] dry. [IV] fat. [V] visible to the naked eye. [VI] complex. [VII] small. [VIII] matter.
The answer is:
[VII]