What is an example of a parasitic flatworm?
A classic example of parasitic flatworm in humans is tapeworm (scientific name, Taenia species). Categorized under the taxonomic class Cestoda, tapeworms are also known as cestodes and the disease caused by these parasites is called cestodiasis.
What are 3 examples of flatworms?
Examples of Flatworms
- Trematoda. The class Trematoda consists of flukes.
- Cestoda. Over 1,500 species of tapeworms make up the class Cestoda.
- Turbellaria. The class Turbellaria is composed of approximately 3,000 species of planaria.
- The Food Chain. Flatworms, according to Cool Galapagos, occupy varying links in food chains.
Why are flatworms parasitic?
Parasitic Adaptations Parasitic flatworms have hooks on their mouths that allow them to securely attach to their hosts. Since the worms are eating the food the host has digested, these flatworms do not have the digestive and nervous system development necessary for them to be free-living .
What is an example of a true worm?
Examples of true worms are the ragworm and the earthworm. Flatworms have flat bodies. Many flatworms, such as the tapeworm and the liver fluke, are parasites. Many roundworms are also parasites.
What are two features of worms?
Characteristics. All worms are bilaterally symmetrical, meaning that the two sides of their bodies are identical. They lack scales and true limbs, though they may have appendages such as fins and bristles. Many worms have sense organs to detect chemical changes in their environments, and some have light-sensing organs.
What are the common features of worms?
They all have long, narrow bodies without legs. All worms also have tissues, organs, and organ systems. Worms have bilateral symmetry. Unlike sponges or cnidarians, worms have distinct head and tail ends.
How many different types of worms are there?
2,700 different kinds