Features of the external structure of mammals.
| February 10, 2021 | education
Mammals or Beasts are the Chordate class. Features of their external structure:
– the body is covered with hair (awns and undercoat);
– special hair – vibrissae, which perform the function of touch (mustache, eyebrows);
– have lips;
– there is an external ear – auricle;
– legs are located under the body (in reptiles – on the sides of the body);
– there are four types of skin glands: sebaceous, sweat, odoriferous and milk.
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