What are plant leaves preserved as

Plant parts are flattened and at least some of the original plant material remains. Leaves are often preserved as compressions.

i think its c. amphipod

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg