abstract natural texture background - lines and pattern created by green algae on sandy beach

abstract alga arrangement atmosphere background bars beach bioscience botany chlorophyll chlorophyta chloroplasts climate coast coastal coastline color colors dark design diatoms emerald eukaryote flora green greenish hue hues humid humidity irregular light lime linear lines microalgae moisture monochrome monsoon motif multicellular natural nature oblique olive pattern photosynthesis pigment plant plants rainy rhizaria rules sand sandy science scores sea seashore season shade shades shapes shore straight streaks stria stripes strokes surface synthesis template texture tone tones vegetation virescent viridescent washed wet