The sand here wasn't merely a pile of dirt; it was a living, breathing, and moving organism, constantly redeposited by the ocean in a series of crescent-shaped, low-lying dunes [10].
Beaches are not static, but constantly shifting environments, where the high-tide and low-tide lines represent different worlds of survival [10].
A few feet away, a lone researcher was observing a colony of ants scurrying across the sand. They weren't just wandering; they were foraging, often taking in the "scent" of the damp sand to navigate their path back to the dry dunes, showing a remarkable adaptation to an environment that constantly shifted under them [7].
Sand is frequently rearranged by wind and water; some sand dunes are composed of gypsum instead of quartz [15].
