Why is cell differentiation necessary for the survival of multicellular organisms?

How is the motion of the particles of water at 80 ⁰c different from the motion of the particles of water when it is 30 ⁰c?

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime