Jacob impritns on Renesmee but the book never gets far enough so that she is an appropriate age to be with Jacob however they will be a couple in the future as he imprinted on her and everyone is very happy about it. She loves him back.
Jacob is a werewolf so he imprinted on her so he is in love with her and then when she is old enough - because he doesn't age - they can become a couple. see renesme will stop ageing around 16 17 because shes half vampire wich is great for Jacob be cause he is 16 and doesnt age so they will be togeter forever
renesme
Nessie
Jacob is emotional towards Bella because Jacob was in love with Bella until Renesme was born in the 4th book Breaking Dawn and Jacob imprints on Renesme.
Nessie
Yes.
in the book, she attacks him because shes mad at him for nick-naming Renesme "Nessie", when bella hasnt even seen Renesme for the first time, and also because Jacob imprints on Renesme.
He imprinted on her.
yes
yes
Yes, when Renesme is the same age as Jacob he will begin to grow old with her.
Bella's gets to keep Edward and Renesme . But Jacob imprints on Renesme