Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
What is the role of class-mammalia with examples?
Mammals represent the class mammalia in the Animal Kingdom which are vertebrate organisms. Mammals are one of the most significant classes of animals in nature that represent a wide variety of multicellular beings.
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