You are presented with the question "What non-deciduos types do not change colors?" and the following answer choices: 
- Conifers
 - Frogs
 - eukyarotes
 - Echinoids
 - monotremes
 - opossums
 - ferns
 - heterotrophs

Now knowing that the color of leaves on deciduous trees usually changes in the autumn season and douglas Fir trees have fir cones, choose the best answer.


 

 Conifers        