phycologist holds thalli of charophyte green algae in her hands. charophyceae algae belong to charophyta division and only grow in

algae algology aquatic biology botanist botany charophyceae charophyta charophyte clean division ecosystem environment eukaryotic fresh freshwater green hand hold large life multicellular organism photosynthetic phycologist phycology plant producer science scientific scientist seaweed soft stream study thalli thallus water wet