sex
That's called 'regeneration'.
Killing an animal is only a sin if it is on purpose. If this animal is killed by accident it is not a sin.
Guinea is not named after the animal it was just an accident
assuming this is in reference to the novel 'animal farm', the song that replaces the original anthem 'beasts of england' is 'comrade napoleon', composed by napoleon himself.
Lamb
just about any animal that was in an accident
In many religions, killing an animal by accident is not considered a sin, as long as it was not intentional. However, it is still important to show respect and regret for taking a life, even if it was unintentional.
If an animal causes damage to your car in a car accident, you can only fine the owner of the animal 2.50.
to serve as digestion compartments for cellular materials that have exceeded their lifetime or are otherwise no longer useful
Shark
Animal sacrifice has been replaced by 'Nariyal' (Dried Coconut fruit) in Hinduism. A dried coconut fruit resembles a head and thus is sacrificed in place of an animal.
It depends what type of animal. If it's endangered yes, if its a pet or other I think you get a thine.