they are useful to detect any kind of light... they need to sense any kind of light because they can not survive in dry conditions and light dry their skin. that is why they sense the light and run away from it to prevent their body from drying...
hope that helps!
eye spots
A planaria obtains food by using eyespots and special "smelling" cells to locate food. Then the planaria inserts a feeding tube and releases digestive chemicals. Then the planaria sucks up the half digested bits of food. Lovely, isn't it!
eyespots are found on the ends of the arms of a starfish...
The planaria class is Turbellaria
planeriacomes under kingdom animalea
Planaria are type of animals. Animals are not photosynthetic
sp refers to a planaria where the actual species is undetermined...or sometimes because several species of planaria have similar appearance or behavior and have been used in a study.
Planaria exist only in fresh waters.
Usually a planaria regeneration experiment involves cutting the planaria into different parts. The head can be separated from the tail or the planaria can be cut lengthwise, etc. After cutting the planaria, it will be observed for few days noting how the organism regenerate its lost body parts. Read more on planaria regeneration on t he link provided below.
the girl caterpillar will be brown and have large ''eyespots''. the boy will be green and have smaller ''eyespots''
Planaria prefer dark environments
on the marijuana