You are presented with the question "What are cells in plants and animals?" and the following answer choices: 
- production of energy
 - absorb light energy
 - large building blocks
 - sub-units of species
 - cellulitis
 - microscopic bulding blocks
 - disease
 - microorganisms

Now knowing that cells are the microscopic building blocks of organisms and plants and animals are organisms, choose the best answer.


 

      microscopic bulding blocks   