yep
That's ok. She can have company, and you can put her back.
I think it could be okay :)
Chickens are not bound by human moral issues. It is wise to freshen the gene pool every few years by replacing the rooster to ensure healthy offspring. Yes, allow the rooster to mate with his flock.
Yes
No, garlic has not nutritive value and I doubt your rabbit will eat it anyway.
Yes,you can keep her female cagemate with her unless the cage mate tries to harm the baby.If she does that you will have to keep them separated at least unti the baby is older.
The best way to know whether a new born rabbit is okay is by taking them to the vet. A vet will be able to run the necessary tests to determine whether they are healthy.
Why don't you get it a cupple of play things like a wheel, tunnel, platform, ladder or tunnel. If it is a male I would sugest not to get another because they could fight and if you get it a female companion they could mate. If you have a female it's okay to get another female.
It's okay to give them a few kernels of it, but not to much
No, they aren't supposed to come out but it's okay
Yes, but there puppys may have medical problems
It's okay for anyone to like anyone.