Community Interactions 1.Competition: compete over resources 2.predation: one organism feeds on another 3.Symbiosis 3.Symbiosis: any relationship where 2 animals live closely together
Types of Symbiosis 1.Mutualism: both species benefit Ex. Flowers & insects 2.Commensalism: one member benefits and the other is neither helped nor harmed ex. Barnacles 3. Parasitism: one organism lives on or in another and harms it. ex. tapeworms
Where does the energy from your favorite foods ultimately come from?
Energy Flow Producers (autotrophs): harness sunlight to produce food
Energy Flow Chemoautotrophs: use energy from chemical compounds (in hydrothermal vents) to produce food