Question

Are forelimbs of man and frog analogous organs? Why or why not?

Answer 1

No, the forelimbs of man and frog are not analogous organ as they are homologous organs, this is because these organs re similar in origin and fundamental structure but are different in functions and appearance. For example, As given in the question, the forelimbs of frog and man have similar origin and same basic anatomical structure, but the forelimbs of Frog are meant for jumping and human being's for catching and holding.


Even though frogs don't look much like people on the outside, their skeletons are similar to people's skeletons, especially when it comes to their limbs. Just like in a person's arms, in a frog's front legs are bones called the humerus, the radius and the ulna. However, a frog's radius and ulna are fused into one bone. The same is true for a frog's legs -- the femur supports its upper leg, and the bones of the lower leg, the tibia and fibula, are fused. A frog has two scapulae, or shoulder blades, and clavicles, or collarbones, that are shaped a lot like the same bones in a person's body.

Hope this will clear all your doubts regarding this topic.

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