Example image of eyePlorer eyePlorer map for 'Ecological pyramid': Biomass (ecology) Ecosystem Primary production Trophic dynamics Autotroph Biocoenosis Beak Bird Mass Skeleton Heterotroph Phytoplankton Standing crop Reproduction Food chain Productivity Stream Life span Species Decomposer Detritivore Northern pike Osprey Glossary of ecology Food pyramid Charles Sutherland Elton Forage fish Predation Hierarchy Polar bear