Scavenger
Vultures gather around a dead deer
Ants crawl all over a dead worm
Community
Camels, Cacti, Sagebrush, lizards, Snakes, an dInsects all live together in a section of the desert
Parisitism +-
A tick feedson your dog
A bacteria causes your throat to be soar
competition
Beetles and Termites want to break down the dead material in the same spot on the same dead tree
weeds choke out the young corn plants in the garden
food chain
Mice feed on acorns; owls feed on mice
predator- prey
A pond frog cathces a nice fly on his sticky tounge
a mountian lion stalks a young deer
a spider traps a fat fly in her web
Dominant Species
the dandelions seem to be taking over your lawn
Population
Mule deer live in the forest behind my house
Commensalism +o
An orchid attaches itself to a tree branch without doing the tree any harm
Mutualism ++
a poisonous sea anemone gives protection to a fish, but feeds on the predators that come after it.
Some bacteria live and get their nourishment inside your intestines, and help to keep them healthy
Decomposer
A fungus growns on a rotting log