Planarians

Are planarians economically important to humans?
How can planarians help humans?Why are planarians important?What is the economic importance of platyhelminthes?Are planarians harmful to humans?How i...
How does a planarian move in water?
Planarians swim with an undulating motion or creep like slugs. ... Because of their remarkable ability to regenerate lost parts, planarians are often ...
What two feature are first seen in the planarians?
They are typically found under rocks and debris in streams, ponds, and springs. Planarians are interesting to study for a variety of reasons. First, p...
How do planarians move?
Planarians move by beating cilia on the ventral dermis, allowing them to glide along on a film of mucus. Some also may move by undulations of the whol...
What are planarian predators?
For some time, land planarians were thought to be top predators because few species were known to feed on them (Sluys, 1999). However, some predators ...
What is the diet of a planarian?
Planarians swim with an undulating motion or creep like slugs. Most are carnivorous night feeders. They eat protozoans, tiny snails, and worms. Do Pla...
What is the feeding tube for planarians?
The planarian's pharynx, a feeding tube that extends from its gastrovascular cavity (digestive tract) tract), is easily visible connecting the mid-sec...
Does a planarian have backbone?
A body cavity, or coelom, is absent. The pharynx, which may be protruded from the mouth, ends in an intestine that is usually blind. The length is usu...
How areplanarians able to replace missing body parts?
Regeneration is replacing the tissue that was lost." ... Key to planarians' regenerative ability are powerful cells called pluripotent stem cells, whi...