What animals are characterized by movable eyelids?

What animals are characterized by movable eyelids? For the inhabitants of the aquatic environment or for the inhabitants of the ground-air environment?

The eyelids are characteristic of the inhabitants of the ground-air environment. They are needed to protect the eyes. Namely, from drying out. The cornea of the eye is wetted by a tear and fine dust is removed when we blink. Also for protection from dust and dry wind. We can squint our eyes to protect our eyes from damage. In animals, there may be one, two or three centuries. A person has 2 centuries, but there is also a third one that we do not use. It is considered a rudiment. Birds and reptiles usually have three working ages. Fish do not need eye protection from drying out.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.