The two big dots on a planarian's head are its eyespots, which detect light and help the planarian navigate its environment. They are simple light-sensitive structures that allow the planarian to differentiate between light and dark. They also help the planarian avoid predators and find food.
The auricles increases the volume of the atrium, and yes, they are movable.
The auricles increases the volume of the atrium, and yes, they are movable.
The ear-like structures that extend from the atria are the Auricles.
Auricles
Auricles
Field bindweed (Convolvulus arvensis) has clasping auricles at the base of its leaves. These auricles wrap around the stem, helping the plant to climb and twine around other vegetation.
Lake Pedder planarian was created in 1974.
A planarian can live without food for about a week.
A Planarian is an acoelomate, meaning they do not have a body cavity at all.
The planarian is a type of flatworm that usually ranges from a few millimeters to a few centimeters in size, depending on the species. They have a simple, flattened body shape with a distinct head and tail end.
Macrotia