1. Flatworms are simple organisms that lack a circulatory and respiratory system.
2. They have a flattened, ribbon-like body with bilateral symmetry.
3. They usually have a simple digestive system with a single opening that serves as both the mouth and anus.
4. Flatworms are generally small, ranging in size from a few millimeters to a few centimeters in length.
5. They have a simple nervous system consisting of a nerve ring and two nerve cords that run the length of the body.
6. Flatworms can reproduce both sexually and asexually, depending on the species.
7. Some flatworms are parasitic, living inside or on other organisms, while others are free-living in aquatic environments.
8. They are found in both freshwater and marine habitats, and some species can survive in extreme environments such as hot springs, deep sea trenches, and polar regions.
9. Flatworms have a very high regenerative capacity, allowing them to regrow lost body structures and tissues.
10. There are over 20,000 species of flatworms that have been identified so far.
characteristics of flat worms
1 answer