To make them feel confident.
They use outer coverings to protect themselves from injuries, cold temperatures etc.
Both the outer coverings of a duck (feathers) and a lizard (scales) are made of keratin. Keratin provides protection and helps with insulation and waterproofing for both animals. Additionally, both feathers and scales play a role in thermoregulation for the animals.
Eagle, Sparrow and Kingfisher.(all birds)
yeah if they have skin they have to have a outer covering or they will die from getting sick
epithelial
Animals without backbones, such as insects, crustaceans, and mollusks, can grow coverings like exoskeletons or shells. These hard outer coverings help protect and support their bodies, allowing them to thrive in various environments.
The scales act as a outer coverings of the animal, and it can help protect it from harm other animals.
Muscles attached to the outer coverings in someinvertebrates contract and relax to helpthe animals move.
hair
Yes, they have scales.
It has a baby
Yes! All invertebrates have hard outer body coverings to keep them in shape. But birds don't have hard outer body coverings. So they are vertebrates!