Community Ecology Part 1 Life Science Community Ecology Part 1

Community

Competition and also predation

Herbivory (This is also predation.)

Parasitism

Camouflage (Can you see the bird?)

Warning Coloration

Chemicals

Mimicry (Harmless Cuckoo bee left side and harmful yellow jacket right side)

Mutualism

Commensalism

Community Ecology Part 2 Life Science Community Ecology Part 2

Energy flow and trophic levels

Food Chains

10% Rule – 10% of the energy is passed from level below to the level above. 90% of energy is spent keeping the organism alive.

Food Webs Interacting Food Chains

Community Ecology Part 3 Life Science Community Ecology Part 3

Succession (Mount St. Helens, WA)

Primary Succession (Remember Hawaii?)

Primary Succession (Pioneer species - Lichens)

Primary Succession

Primary succession

Primary Succession Climax Community (Hawaii today)

Secondary succession (Forest fire destroys the forest)

Secondary Succession (Then over time…life returns)