What Is Animalia?

These are multi cellular consumers with most diverse and large number of organisms. There body form is regular with internal organs. They have no cell wall and there is no photosynthesis. They possess muscle cells. Reproduction is sexual with presence of embryo stage. These are consumers which provide a vital link to food chains.

The five kingdom classification is helpful in separating prokaryotes from Monera. It also separated fungi from rest of kingdom. However, there are some drawbacks of five kingdom such as its inability to establish phylogenetic system. Some of the organisms like viruses, archaebacteria, algae and mycoplasma have no definite entity. Some of the groups have so many differences and still they are kept together.

Category: The Living World

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