How are the limbs of the organism pictured above similar?

The structures given in the picture above are homologous to each other. Homologous structures are those, which belong to different organisms but are similar in their structure as they have a common acestory. The functions of these homologous structures may or may not be similar. The limbs of the human, horse, cat, bat, bird and whale share a similar basic structure. The function is more or less similar as far as these limbs are concerned.

i think the answer is b eurasian plate

i said i think

the answer is yes, they are born/created, then they grow to their limit then produce offspring, then die.