What happens a few days after fertilization? a. the eyes develop. b. the blastocyst forms. c. the baby can be felt moving. d. cells have started differentiating.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

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