Question

write dawb the charachristias features of class mammalia and arthropods ?​

Answer 1

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General characteristics of class mammalia:

These animals are warm blooded, hairy and have mammary or milk producing glands, (mammary glands). They are the only animals which nourish their young ones with milk.

Characteristics shared by all arthropods include:

• Exoskeletons made of chitin.
• Highly developed sense organs.
• Jointed limbs (the limbs must be jointed like the joints in a suit of armor, since the exoskeleton is rigid and cannot bend to allow movement)
• Segmented bodies.
• Ventral nervous system. ...
• Bilateral symmetry.