What Ecosystems

byTonya M. Smith

Ecosystem

The community of organisms that live in a particular area along with their non-living surroundings

All the abiotic and biotic factorsExamples: Isle Royale Ecosystem– includes

all community members plus pond, lake, fields, air we breath, etc.

CommunityAll the different populations that live and

interact together in an areaExample: Isle Royale Community consists of

people, wolves, moose, cats, dogs, birds, worms, insects, frogs, trees, flowers, grass, etc

Population

All members of one species living in the same areaSpecies-similar individuals that can mate to

produce fertile offspringExample… humans Isle Royale

LivingExamples•Plants•Animals •Fungi •Bacteria

Non-LivingExamples• Water• Sunlight• Soil• Air • Temperature

Biotic vs. Abiotic Factors

GrasshoppersGrasshoppers live

in the ecosystem.Their environment

is the grass and trees behind the school.

They eat the leaves and try to stay away from the birds.

The Ecosystem Outside of Our School

BeesBees live in the

ecosystem.Their environment

is the pretty grasses and flowers behind the school. They fly away but they always come back.

They land on the flowers and get pollen.

BirdsBirds live in the

ecosystem.Their environment

is the trees. Just like the bees, they fly away but they always come back to the nest they built in the trees.

They eat bugs and grasshoppers.

DeerDeer live in the

ecosystem.Their environment

is the woods behind the school.

They are scared of people and like to hide. Sometimes they cross the busy street to get to the woods on the other side.

They eat grass.