Which two activities provide the reactants for cellular respiration

Across of blue x blue (both heterozygous) would result in

Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)

Explain how this example of pesticide resisitance in ticks is an example of biological evolution