[Solved] Ammonia is likely to be the primary nitrogenous waste in living conditions that include A) lots of fresh water flowing across the gills of a fish. B) lots of seawater, such as a bird living in a marine environment. C) lots of seawater, such as a marine mammal (e.g., a polar bear). D) a terrestrial environment, such as that supporting crickets. E) a moist system of burrows, such as those of naked mole rats. Contraction: The process of muscle fibers shortening and generating force, resulting in the movement or stabilization of parts of the body. Intercalated Disc: null Desmosomes: Strong cell junctions that anchor cells to each other in tissues subject to stretching, like skin and heart muscle. Gap Junctions: Gap junctions are specialized intercellular connections that facilitate the direct transfer of ions and molecules between neighboring cells.