1 kilogram weight gain- Secondary consumer Trophic level 4 10 kilograms of salmon- Secondary consumers Trophic level 3 100 kilograms of krill- Primary consumers Trophic lovel 2 Rectang Trophic level 1 1000 kilograms of phytoplankton- Producers Figure 10 A food pyramid. It takes 1000 kilograms (about 1 ton) of phytoplankton (microscopic marine plants) to provide a 1-kilogram (2-pound) weight gain for a human. Notice that only about 10 percent of the stored energy in ona tronic Javel is gventually pappad on to

1 kilogram weight gain- Secondary consumer Trophic level 4 10 kilograms of salmon- Secondary consumers Trophic level 3 100 kilograms of krill- Primary consumers Trophic lovel 2 Rectang Trophic level 1 1000 kilograms of phytoplankton- Producers Figure 10 A food pyramid. It takes 1000 kilograms (about 1 ton) of phytoplankton (microscopic marine plants) to provide a 1-kilogram (2-pound) weight gain for a human. Notice that only about 10 percent of the stored energy in ona tronic Javel is gventually pappad on to