Fact 1: Gymnosperms are vascular plants that produce seeds in cones.

Fact 2: Plants reproduce by seeds and rhizomes.

Given the two facts above, answer the question "What do gymnosperms use to reproduce?" with the following options: 
- roots
 - cones
 - ovaries
 - family
 - CO 2
 - instinct
 - embryos
 - Mitosis


 

  cones       