- Alligators eat frogs / turtles / fish / mice / birds
- Frogs / turtles / fish / mice / birds are kinds of animals
- So, alligators eat animals

- Alligators eat animals
- A predator eats other animals for food
- Therefore, alligators are a kind of predator

- Alligators are a kind of predator
- As the population of prey decreases , competition between predators will increase
- Hence, as the population of prey decreases , competition between alligators will increase

- An animal is a kind of organism
- A species means a group of a certain kind of organism
- So, a species means a group of a certain kind of animal

- A species means a group of a certain kind of animal
- An alligator is a kind of animal
- So, an alligator is a kind of species of animal

- An alligator is a kind of species of animal
- Competition may cause animals to act aggressively towards members of their own species
- Hence, 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
- So, as the population of prey decreases , agression between alligators will increase

Hence, as the population of prey decreases , agression between alligators will increase
Question
A pesticide gets into the waters of the Everglades and wipes out many of the fish, amphibian and bird populations on which alligators depend for food. Which change would most likely occur among the alligator population?

Context
- An alligator is a kind of animal 
- Alligators eat frogs / turtles / fish / mice / birds 
- An animal is a kind of organism 
- Competition may cause animals to act aggressively towards members of their own species 
- A predator eats other animals for food 
- As the population of prey decreases , competition between predators will increase 
- A species means a group of a certain kind of organism 
- Frogs / turtles / fish / mice / birds are kinds of animals