In a mangrove ecosystem, leaves from the grey mangrove plants fall into the water and sink to the mud below. They are then broken down by bacteria and fungi.
Invertebrates such as crabs, prawns, and molluscs live in the mud and feed on the dead leaves. The bullseye fish feeds on the invertebrates. Humans eat prawns, crabs and fish.
Herons and other wading birds live and breed in the mangroves. These birds feed on invertebrates and fish.
What is correct about this ecosystem?
Bacteria, fungi, crabs, prawns and molluscs form the community in the mud.
2 )
Bullseye fish are at the second trophic level in the food web.
3 )
Fungi in the water are the main producers in the ecosystem.
4 )
Grey mangroves are the ecological niche of herons.
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