The pincushion moss, the echeveria, and the moon cactus in a terrarium make up a community.
A community of organisms refers to a group of organisms of different species which are found living together in the same habitat.
Populations of organisms of different species within the same habitat constitute a community.
The pincushion moss, the echeveria, and the moon cactus are all different species found within the same habitat, a terrarium.
Therefore, the different species of organisms in the terrarium make up a community.
Learn more about community of organisms at: https://brainly.com/question/18715575
