Phylogenomics data place the enigmatic plankton in the middle of the algal family tree, despite their apparent lack of plastids—an organelle characteristic of all other algae. Christie is a seasoned ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

The fungus provides a structure for lichen to anchor itself to trees and rocks. The algae perform photosynthesis, supplying energy for growth. Yeasts and bacteria help protect lichens from disease.

The Hoffman's two-toed sloth is one of the world's slowest mammals—so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of ...