<Tr> <Td> zooplankton </Td> </Tr> <Tr> <Td> ↑ </Td> </Tr> <Tr> <Td> phytoplankton </Td> </Tr> <P> Ocean or marine biomass, in a reversal of terrestrial biomass, can increase at higher trophic levels . In the ocean, the food chain typically starts with phytoplankton, and follows the course: </P>

What is biomass in kilograms of the producers