What is the name of the extension euglena move with?
Euglena have a red eyespot composed of carotenoid pigment granules. It is not thought to be photosensitive itself, but it filters sunlight that falls on a light-detective structure at the base of the flagellum, which only allows certain wavelengths to reach it. The eyespot partially blocks the light source as it rotates, which permits the Euglena find the light and move towards it. This process is known as phototaxis.
Euglena A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell. Euglena are single-celled organisms which have the features of both a plant and an animal. Euglena is a very unusual organism, as it photosynthesizes yet it can also move about. Species of Euglena are found in fresh and salt waters. Euglena contains 59 nutrients, and it provides nearly all the nutrients needed to sustain human life.