◦ Mutualism- Bird cleaning crocodile◦ Commensalism-Bird uses tree but the tree is not hurt

◦ Competition- two chimps fight over food

◦ Predator/prey-Snake (predator) hunts frog (prey)

◦ Parasitism-mistletoe kill trees

◦ Scavenger-Some hawks are scavengers

◦ Decomposers- slugs decompose the skin of dead organisms

1. Rain Forest

Mutualism- bees pollinate flowers and get nutrients Commensalism- Squirrels use trees but trees are not hurt

Parasitism-Ant is eating this plant which makes it a parasite

Scavenger-fox eats a dead raccoon

Decomposers- dung beetles decompose an animal Predator/Prey-wolves hunt down deer

Competition-Deer compete for mate

2.Forest

Mutualism-Bee pollinates the flower and flower gives nutrients to bee Parasitism-Caterpillar covers with tick-like bugs

Commensalism- Birds eat leftovers off the horse, and the horse is not bothered

Competition-Polar bears fight over mate

Scavenger- Polar bear scavenges dead seal

Predator/prey- Owl hunts mouse

Decomposer-fly decomposes dead organisms

3. Tundra

Mutualism- fish eats parasites and leftovers on shark Commensalism- Clown fish in anemone Parasitism-Parasite on a butterfly fish

Scavenger-crabs eat anything they can

Competition- Walruses compete for a mate

Decomposers-Bacteria decompose in the ocean Predator/Prey-Sharking hunting seal

Salt Water

Commensalism-Worm lives in turtles shell but the turtle doesn’t care Mutualism-Bird cleans alligators mouth

Parasitism-parasite on a trout

Competition-Alligators fight for territory

Decomposers-Bacteria decompose dead organisms at the bottom of the river floor

Scavenger-Piranhas attack dead animal

Predator/Prey-Frog hunts bugs

Fresh Water

Mutualism-Butterfly pollinates flower and flower gives nutrients to butterfly Commensalism-Bird makes home in the cactus

Parasitism-Ants eat the plant which kills it

Competition-Lions fight for mate

Decomposers-Beetle eats skin of dead organisms Predator/Prey-Lizard hunts bird

Scavenger- Vulture eats dead organism

Desert