Answer:
All the different plant populations make up the plant community in this swamp. The plants are part of the bigger ecosystem, that contains many biotic and abiotic factors.
Step-by-step explanation:
In ecological studies a community can be described as a different population of species that live in an area at a specific time. For example, different kinds of plants and animals living in an area at a particular time.
In ecological studies, an ecosystem can be described as a community possessing both its biotic and abiotic factors. For example, all the animals, plants, decomposers of a community along with abiotic factors like water, soil sunlight etc.