Analogies are the result of convergent evolution. Interestingly, though bird and bat wings are analogous as wings, as forelimbs they are homologous. Birds and bats did not inherit wings from a common ancestor with wings, but they did inherit forelimbs from a common ancestor with forelimbs.
B)
Because it flows. I dunno about you, but that sounds like a liquid to me! Sorry if i'm wrong.
The Golgi apparatus.
Hope this helps!
Do you have any words to fill it in with because I think i know x