Yes, provided the cat has all four paws with claws and makes a good pounce. However, chickens (particularly roosters) have sharp spurs on the backs of their feet for fighting, and they can be vicious with their beaks, so it wouldn't be a sure-shot win for the cat.
In most instances when a cat is confronted with a grown chicken, both animals choose to walk away from the battle. An adult cat facing a chick is a different matter entirely, and the chick is generally cat food.
To help them catch small animals such as mice and birds, which they eat.
because they are birds, and cats eat birds if they can catch them.
sometimes they will
Cats, for one thing. Cats don't actually eat birds or intentionality hurt them. They want to play with them but the cats don't realise that they can easily hurt the birds.
Yes, some pet cats do eat birds and rabbits.
All domestic cats like fish.
no because cats like to eat birds
Cats do occasionally eat birds.
They eat worms rats 
Cats and other birds
cats like to chase and eat birds, and birds like to fly to get away from cats.
Domestic Cats obviously don't eat as much as other cats due to their size.