Fact 1: Polyps usually reproduce asexually.

Fact 2: Coral polyps are united into colonies.

Given the two facts above, answer the question "what reproduce asexually" with the following options: 
- graptolites
 - orchids
 - frogs
 - coral colonies
 - Most plants
 - mice
 - spread flower seeds
 - fish


 

    coral colonies     