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.
Which part of the world has high density of organims?
A forest is an area of land occupied by rich flora and fauna. It is a Large part of the ecosystem that plays a role in maintaining the temperature, recycling of the nutrients and providing economic benefits to humans.
The three main types of forests are,
- tropical
- temperate
- boreal
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