Abyssal zone of oceans is characterized by
Presence of sunlight and producers
Absence of sunlight and all living organisms
Absence of sunlight but presence of producers
Absence of sunlight and presence of consumers and decomposers
In an ecosystem energy flows in
Explain energy flow in ecosystem.
A food chain starts with
The transfer of energy from organism to organism in a natural community establishes
The first link in any food chain is always a green plant because