What are structural adaptations of villus?

A structural adaptation is when an animal or a living thing is adapted to its environment by the way it's body is built!

it is the kind of adaptation that specie is born with. Like how an animal is shaped like and look like. It could also be its structure that allow it to fly, swim, jump, run etc.

Structural adaptations: a physical trait that can help an organism to survive in its environment. It can be its body shape, body parts, outer covering, colour or unusual life processes. For example,...

physical is when well lets say they are strong physical is like they learn it structural is where they are born with it sincerely chippette

They're not. Behavioural Adaptation are adaptations like male peacocks spread their wings when they are attracting a mate. Structural Adaptations are like polar bears have webbed feet so it allows...