What are some characteristics of animals in “class” Please help this is for a project pls help it will mean so much for me

Animals can be classified according to different physical characteristics, such as body covering (e.g., hair, fur, feathers, scales, shells), body shape (e.g., two main features, three main features), appendages (e.g., arms, legs, wings, fins, tails), and method of movement (e.g., walking, crawling, flying, swimming).

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.