Flagella and cilia are used in unicellular and multicellular eukaryotes for fast cell motility, rapid movement of material over cell surfaces, cell feeding and cell division. The structure of the ...

"THE story of the evolution of the plant regarded as expressed in simplest terms as an autotrophic flagellate of the plankton-phase from nothing at all but ionized sea-water "is the subject of Mr.

Across all species, directed movement is essential for nutrient acquisition, energy harvesting, and the avoidance of danger or sources of stress. Organisms have evolved specific means of locomotion ...