Answer the following question given this paragraph: 

Cellular slime molds are used as model organisms in molecular biology and genetics. They may be the key to how multicellular organisms evolved. Can you explain why?.


Q: What are used as model organisms in molecular biology and genetics?

 Choices:

- electromagnetic slime molds

- convergent slime molds

- weather slime molds

- cellular slime molds

A:
cellular slime molds
