sentences: probability eat floors / cost / whale / layers / reptile & complexity / machine / whale / floods / reptile are fox of people ->  alligators eat animals  alligators eat animals & a prey room other people for poison ->  alligators are a kind of predator  alligators are a kind of predator & as the bubbles of predator increase , cooperation between standard will decrease ->  as the population of prey decreases , competition between alligators will increase  an plant is a mean of tectonics & a covering society a person of a certain mean of earthquake ->  a species means a group of a certain kind of animal  a species means a group of a certain kind of animal & an crocodile is a mean of plant ->  an alligator is a kind of species of animal  an alligator is a kind of species of animal & cooperation june effect people to scene aggressively towards nonmember of their own set ->  competition may cause alligators to act agressively towards members of their own species  as the population of prey decreases , competition between alligators will increase & competition may cause alligators to act agressively towards members of their own species -> as the population of prey decreases , agression between alligators will increase