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.
A:
Conifers