despite the differences in the structure and forms of different animals there are certain fundamental features which are common to all the animals those features are used as the basis of classificationwho will answer this Q in 10 seconds I'll mark his or her as brainlist it's my promise

The fundamental features/structures which are common to all the animals those features are used as the basis of classification include:

Eukaryotic, Complex and multicellular The ability to move independently in search of food

All animals possess complex structures which are specialized to perform various functions in animals such as the lungs for breathing etc. Animals are eukaryotic which means they have a well defined nucleus.

Animals also move independently with their specialized structures to search for food which gives them the much needed nutrient for their survival.

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- Animals are eukaryotic and multicellular organisms.

- Most animals have the ability to move naturally and independently.

Explanation:

The correct option is D. Neuritis refers to the inflammation of a nerve cell or group of nerve cells. When widely separated cells are affected, the condition is described as polyneuritis. The inflammation may be caused by infection, autoimmune disease or injury.