1. A NIMAL R ELATIONSHIPS Jocelyne Martinez Tundra Forest Rain Forest Saltwater Freshwater Desert

2. D EFINITIONS Mutualism ; Both organisms benefit. Parasitism ; One benefits and the other is harmed. Commensalism ; One benefits and the other is not harmed. Scavenger ; Eats dead organisms. Predator-Prey ; One hunts and the other is hunted. Decomposer ; Comes out of the organism and eats the organisms remains. Competition ; Organisms fight over the same resources.

3. Forest  Mutualism; -Bird on Deer’s Back, Bird on Bears Back  Parasitism; -Ticks on a deer, dicks on a bear  Commensalism ; -Deer eats grass causing the bugs to fly up in the air and the birds go and eat the bugs.  Scavenger ; -Fox goes and eats a dead rabbit, Wolf eats a dead bear.  Predator-Prey ; -A wolf hunts the rabbit, the rabbit is being hunted.  Decomposer ; -Fungus on dead trees, moss  Competition ; - Two wolves fighting over a squirrel, Two bears fighting over a fish.

4. R AIN F OREST  Mutualism ; - Monkeys eating fleas off of each other  Parasitism ; - A tick on a monkey, a leech on an alligator  Commensalism ; -Monkeys eating fleas off of each other.  Scavenger ; -Snake eating a dead frog.  Predator-Prey ; -A tiger hunting a monkey  Decomposer ; -Moss  Competition ; - Two tigers fighting over a dead animal.

5. T UNDRA  Mutualism ; - Seals basking each other for company  Parasitism ; -Bear eating a fish, Bear eating shrimp  Commensalism ; -A baby bear ridding on his moms back.  Scavenger ; -Fox eating a dead rabbit  Predator-Prey ; -Fox hunting a rabbit, Bear hunting fish.  Decomposer ; -Fungus, moss  Competition ; - Two foxes fighting over a dead rabbit.

6. S ALT W ATER  Mutualism ; -Fish eating bacteria off of a shark.  Parasitism ; -A leech on a shark, leech on a whale.  Commensalism ; -A fish living in a crabs shell.  Scavenger ; -Little fish eating the leftovers of another after a shark has attacked it.  Predator-Prey ; -Shark eating Fish, Whale eating krill  Decomposer ; -Fungus, coral  Competition ; - Two scavengers fighting over the same food.

7. F RESH W ATER  Mutualism ; -Fish on a fresh water shark, fish on alligator  Parasitism ; -Leech on a fresh water shark  Commensalism ; -Fish burro in the sand releasing bugs for the other fish to eat.  Scavenger ; -Alligator eating the remains of a dead fish  Predator-Prey ; -A fresh water shark going after a fish, Alligator hunting a fresh water shark  Decomposer ; -Coral, fungus  Competition ; - Two alligators fighting over a dead fish, Two sharks fighting over a fish.

8. D ESERT  Mutualism ; -Coyotes working together to hunt  Parasitism ; -Flea on coyote, bird making a hole on a cactus.  Commensalism ; -Birds sitting on a cactus  Scavenger ; -Vultures, Javelin eating a dead coyote.  Predator-Prey ; -Coyote hunting a jack rabbit, Snake hunting a jack rabbit.  Decomposer ; -Fungus, Termites  Competition ; - Vultures fighting over dead snake, Coyotes fighting over dead rabbit.