Each species eats a different type of food and has unique characteristics developed through evolution. For example, the cactus finch has a long beak that reaches into blossoms, the ground finch ...

Without plants on land, humans could not live on Earth. From mosses to ferns to grasses to trees, plants are our food, fodder and timber. All this diversity emerged from an algal ancestor that ...

Plant evolution is the subset of evolutionary phenomena that concern plants. The study of plant evolution includes the study of genetic change and the variations that result in speciation.