Most male animals will attack each other as a form of dominance or trying to protect their mate or their territory.
you
Predation is when a organism known as a predator hunts another animal for food known as prey. Competition is when organisms compete for the same food source.
Did they practice fighting? Yes. They trained as soldiers, and would compete with one another.
compete for the nesting sites
Rats compete with us because rats eat our grain crops.
dogs, cats, and cows
A crocodile or an alligator would be one example of such an animal Another would be an owl and another an army ant - (there are more).
what animal does a tarantula cmpete with
Transferrin and Lactoferrin
Animals usually only compete for food and/or mating rights. However if the animal is domestic and a new animal comes to the household, the two may compete for attention.
because when one animal extinct the animal who eats that animal would maybe or absolutely have no other animal to eat so that animal who eat the extincted animal would become extinct then another then another. So maybe all animals may die.
It would seem to me like their would compete for food, boys would compete with others for girls. I'm not really sure but I hoped that helped.