Fact 1: Cells vary in size as well as shape, but all cells are very small.

Fact 2: Microscopes are needed as most aquatic invertebrates are quite small.

Given the two facts above, answer the question "What can be used to see cells?" with the following options: 
- microscopes
 - A computer
 - mirrors
 - cell walls
 - barometers
 - binoculars
 - scattered light
 - flashlights


 

 microscopes        