If small, single-celled plants reproduce asexually by budding, then what reproduces asexually by budding?

Answer choices:
- h2o
 - Something found in San Francisco
 - humans
 - Something made from fermented ricce
 - small, single-celled plants
 - Microscopic organisms
 - peachleaf willow
 - insects

 

     small, single-celled plants     