Answer:
The correct answer is the option: Community.
Explanation:
On one hand, in the field of ecology, community is the term used to refer to the situation where many populations (that is groups of organisms belonging to one species) of different species live in the same area and interact with one another to create an environment called here community.
On the other hand, it is understandable that the situation where a person sees many trees with moss and butterflies on it, that person is actually seeing a communty of many populations of different species, that includes the trees, the moss and the butterflies.