Which is an incorrect statement about tree bark? the bark that surrounds the tree was never alive. tree bark is made of fibrous material. tree bark is part of the vascular system. tree bark is made of dead cells from the tree.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

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