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.
Name the country having maximum population.
The world is divided into continents and continents are divided into countries. Asia is the largest continent and Australia is the smallest continent. Some countries are very big in size while some are very small. Russia is the largest country followed by Canada, USA, China, Brazil, Australia and India.
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