You are presented with the question "What can be used to see cells?" and the following answer choices: 
- microscopes
 - A computer
 - mirrors
 - cell walls
 - barometers
 - binoculars
 - scattered light
 - flashlights

Now knowing that cells vary in size as well as shape, but all cells are very small and microscopes are needed as most aquatic invertebrates are quite small, choose the best answer.


 

 microscopes        