All of these examples show evidence for evolution because they show_Q1_and_Q2_. Q1 Answer_1: Constancy within species. Q1 Answer_2: Change over time. Q2 Answer_1: Descent from a common ancestor. Q2 Answer_2: Original traits.

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 

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.