Phytoplankton(producer)

1. Krill(primary consumer)

1.1. leopard seal (secondary cosumer)

1.1.1. whale (tertiary consumer)

1.2. birds(secondary consumer)

1.3. penguins(secondary consumer)

1.4. baleen whale(secondary consumer)

2. zooplankton(primary consumer)

2.1. Fish(secondary consumer)

2.1.1. elephant sea (tertiary consumer)