• individual, species population, community, ecosystem, biome

• abiotic vs. biotic

• carrying capacity
& limiting factors

Levels

• autotrophs/heterotrophs

• herbivores, carnivores,
& omnivores

• producers, consumers,

& decomposers

• food webs

Roles

• predator and prey

• competition

• symbiosis

• parasitism

• mutualism

• commensalism

Relationships

• invasive species

• pollution

• global warming

• climate change

• graphs & data

​​Human Impact

​UNIT TOPICS COVERED

The ecological levels of organization are used to categorize living and non-living components

LEVELS OF ORGANIZATION