Respuesta :
Answer:
Manatees are considered tetrapods due to tetrapod ancestor.
Explanation:
Manatees are considered tetrapods even though they lack hind limbs because they are the descended of the tetrapod common ancestor. The oldest ancestors of manatees were pig-like, four-legged animal that lives on land and eats grass but when some of them start living in the water so with the passage of time their hind limbs disappear because there is no need of these legs in water. So due to link with the four-legged animal manatees are considered tetrapods.
Manatees are considered tetrapods despite lacking four limbs because there ancestors were belonging to the family of tetrapods.
Manatees
Manatees are aquatic animals, who live in water. They are considered tetrapods despite lacking hind limbs because their common ancestor were belonging to the family of tetrapod.
They likely share jaws and skin with leopards and other mammals. The oldest ancestors of manatees were four-legged animal that lives on land and eats grass, which were way different than the present manatees, because manatees at present lost their hind limbs, and live in water.
Learn More about Mammals here:
https://brainly.com/question/1309369
