Describe on Kingdom Animalia - QS Study
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Kingdom Animalia is characterized by heterotrophic eukaryotic organisms that are multi cellular and their cells lack cell walls. They directly or indirectly depend on plants for food. They digest their food in an internal cavity and store food reserves as glycogen or fat. Their mode of nutrition is holozoic – by ingestion of food. They follow a definite growth pattern and grow into adults that have a definite shape and size. Higher forms show elaborate sensory and neuromotor mechanism.

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Most of them are capable of locomotion. The sexual reproduction is by copulation of male and female followed by embryological development.