They live inside another organism which is the host. These are called marine flatworms and freshwater flatworms. Some of them are free-living, which feeds on small organisms and rotting matter. Flatworms in our Environmentįlatworms survive in various environments. The larva stages are many, and in the final stage, the larva develops into adults. After fertilization, the fertilized eggs pass from the adult's body and then hatch into larvae. In most flatworms reproduction, the same individual will produce both the sperm and the egg. Reproduction in Flatwormsįlatworms have sexual reproduction. The excretory system lets them maintain their water and salt balance. Their muscular system lets them move from one place to another on any solid surface. The flatworms have an excretory and muscular system. The mesoderm layers let them develop their organ system. These have three embryonic cell layers, which also include the mesoderm. Flatworms do not have a complete digestive system.įlatworms reflect many evolutionary advances in invertebrates. Their cells exchange gases through diffusion with the environment directly. Flatworms also lack any respiratory system. These consist of a flat body, and this is because flatworms do not have any coelom. However, these can also grow as long as 20 meters or 66 feet. Flatworms are usually 0.04 inches or 1 millimeter in length.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |