Living Organisms/Relationships

the series of predictable changes that occur in a community over time

• community
• secessions
• commensalism
• competition

the series of changes that occur in an area where no soil or organisms exist

• secondary secession
• succession
• primary secession
• ecosystem

the first species to populate the area

• pioneer species
• organism
• population
• community

the series of changes that occur in an area where the ecosystem has been disturbed

• succession
• secondary succession
• primary succession
• community

an organism that can make its own food

• consumer
• omnivore
• herbivore
• producer

an organism that obtains energy by feeding on other organism

• consumer
• producer
• autotroph
• population

consumers that eat plants

• carnivores
• herbivores
• omnivores
• producers

consumers that eat only animals

• producers
• carnivores
• omnivores
• heterotroph

consumers that eat both plants and animals

• omnivores
• carnivores
• herbivore
• producer

a carnivore that feeds on the bodies of dead organisms

• decomposer
• scavenger
• consumer
• producer