ARTICLES

According to Encyclopædia Britannica, flatworms are mostly parasitic, soft-bodied invertebrates that include tape worms, flukes and planarians. Lacking circulatory, respiratory and skeletal systems, flatworms feature uns...

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Flatworms, roundworms and segmented worms are actually examples of three very different species of worm, with the only major similarity between all three being that they are all classified as worms. Some species do share...

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Cuttlefish, squid, snails and scallops are molluscs, as are clams, sea hares, nudibranchs, mussels, oysters and limpets. As of 2015, there are roughly 100,000 existing mollusc species, which makes them the second-largest...

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SIMILAR ARTICLES

Most planarians are carnivorous and feed on protozoans, tiny snails and worms, says the Encyclopædia Britannica. They devour the living as well as the dead, decaying organic matter as well as diatoms.

www.reference.com/article/planaria-eat-cdbf4fc3a6cf9a6d

Among flatworms with a distinguishable excretory system, the usual method for voiding waste is through flame cells that are arrayed along the sides of the worms' bodies and connected to main ducts that drain its tissues ...

www.reference.com/article/organs-excretion-flatworms-e85821b72f2878c2

Not much is known about how flatworms protect themselves. Though flatworms have poor eyesight, they are able to sense dark and light and perhaps direction and use these senses to seek out dark places under rocks to hide....

www.reference.com/article/flatworms-protect-themselves-8573f81f55cb382

Nearly all animals referred to as worms are invertebrates, including earthworms, and by definition, invertebrates do not have bones. Exceptions include worm lizards, such as the Caecilians and Anguis lizards, which look ...

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