characteristics of animalia.
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Animals are eukaryotic, multicellular and heterotrophic organisms.
They have multiple cells with mitochondria and they depend on other organisms for food.
Habitat - Most of the animals inhabit seas, fewer are seen in fresh water and even fewer on land.
There are around 9 to 10 million animal species that inhabit the earth. Only 800,000 species are identified.
Biologists recognize 36 phyla in the animals kingdom.
Size - The sizes of animals ranges from a few celled organism like the mesozoans to animals weighing many tons like the blue whale.
They have multiple cells with mitochondria and they depend on other organisms for food.
Habitat - Most of the animals inhabit seas, fewer are seen in fresh water and even fewer on land.
There are around 9 to 10 million animal species that inhabit the earth. Only 800,000 species are identified.
Biologists recognize 36 phyla in the animals kingdom.
Size - The sizes of animals ranges from a few celled organism like the mesozoans to animals weighing many tons like the blue whale.
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The general characteristics of kingdom Animalia are as follows −
Multicellular organisms.
Eukaryotic cells
They do not have cell wall.
Devoid of photosynthetic pigments, so heterotrophic in nutrition.
Ingestive nutrition and digestion.
Higher level of tissue organization.
Organs are internal.
Organisms possess muscles for mobility and nerves for conduction of impulse
Multicellular organisms.
Eukaryotic cells
They do not have cell wall.
Devoid of photosynthetic pigments, so heterotrophic in nutrition.
Ingestive nutrition and digestion.
Higher level of tissue organization.
Organs are internal.
Organisms possess muscles for mobility and nerves for conduction of impulse
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