Ecosystem

Ecology The study of interactions between

organisms Recall the levels of organization:

Organism Species Population Community Ecosystem Biome Biosphere

Symbiosis

Relationship in which two species live closely together

http://imagecache2.allposters.com/images/pic/JAG/03-PS101-6~Symbiosis-Posters.jpg

Competition

Organisms or species fighting over resources

Predation

Predator feeds on prey

http://www.stanford.edu/~siegelr/tz/tz2006/predatorandprey.jpg

Mutualism

Both benefit

http://cache.eb.com/eb/image?id=65599&rendTypeId=4

Commensalism

One benefits, other is not helped harmed

http://www.nearctica.com/ecology/anemonefish.jpg

Parasitism

One benefits, other is harmed

http://www.cbu.edu/~seisen/ExamplesOfParasitism_files/image008.jpg

Terrestrial Biomes

7. Taiga8. Chaparral9. Tropical Dry

Forest10.Tundra11.Deciduous Forest12.Desert13.Tropical Rain

Forest

1. Temperate Deciduous Forest

2. Coniferous Forest3. Tropical Forest4. Grassland5. Desert6. Tundra

Temperate Deciduous Forest

Coniferous Forest

Tropical Rain Forest

http://msstrickland.com/eport/Rainforest.jpg

Grasslands

http://grasslands.org.za.dedi539.your-server.de/assets/content_images/Image/Grasslands__SANBI_.JPG

Desert

http://www.historyforkids.org/learn/china/environment/pictures/desert2.jpg

Tundra

http://teachers.sduhsd.k12.ca.us/hherms/herms/METEOROLOGY/climates/P-tundra_alpine_nt.jpg

Marine and Freshwater Biomes

Rivers Streams Lakes Ponds Wetlands

Intertidal Zone Oceanic Zone Benthic Zone

Intertidal Zone

Oceanic Zone – the open ocean

Benthic Zone – The Ocean Floor

Wetlands