Is it possible to determine its habitat by the appearance of a mammal? give examples.

Yes, by the appearance of a mammal, you can determine its habitat on Earth. Due to their physical properties, they have mastered almost all habitats. Here are some examples:
A) The dolphin is a mammal and lives in the seas and the ocean, this is evidenced by its body shape and limbs in the form of a tail;
B) Moles are also mammals and live in a soil environment, their limbs are adapted for digging tunnels.

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.