00:01
The question that is given over here, it says that what function does the limb serve in each of these animals? some of the animals here give in a dog, bird, whale and or of humans.
00:15
And the question further says that how are the limb bones of the four animals similar based on these similarities? what we can infer about the evolution of the four animals? this is what the question sees.
00:28
Many animals use their limbs for their locomotion and the locomotive structures such as walking, running, climbing, swimming, etc.
01:00
Some animals can use their forelimbs which are homologous to that of arms in humans also while some can use them in order to achieve life.
01:18
If you can see here, these limbs are used for flight by the birth and then some of the animals can also use their hind limbs for manipulation.
01:37
The function of the limb itself in each animal is different.
01:44
There are four animals which we are referring here, that is, they are the tetrapods.
01:53
They are vertebrates that have or had four limbs and it includes all the amphibians, reptiles, births and they are the vertebrates...