Evaluate the claim of a friend that received 100% of their DNA from their mother

False, a person's genetic information is composed from 50% of their mothers and 50% of their fathers.

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