Answer:water column, mud and sand flats, bivalve reefs and beds, and seagrass meadows as well as salt marshes that are connected by mobile animals and tidal water flows
Explanation:
Estuarine ecosystems are composed of relatively heterogeneous biologically diverse subsystems, that is, water column, mud and sand flats, bivalve reefs and beds, and seagrass meadows as well as salt marshes that are connected by mobile animals and tidal water flows that are integral components in the geomorphological ...
