You Are Hiking in a Forest and Happen Upon a Plant

Multiple Choice

You are hiking in a forest and happen upon a plant featuring a central stemlike structure from which sprout many, tiny, leaflike structures. Which of the following would be the most certain means of distinguishing whether it was a true moss or a club moss?

A) its color
B) its height
C) if seeds are present
D) if conducting tissues are present
E) the appearance of its spore-producing structures