Fact 1: Communities consist of populations of different species.

Fact 2: Herons are an indicator species for wetland communities.

Given the two facts above, answer the question "Different species such as what take up in the wetlands?" with the following options: 
- ferns
 - the moon
 - herons
 - bushes
 - wetlands
 - polar bears
 - plants
 - animals


 

   herons      