Cerrar
Species
Population
Community
Habitat
Biotic factors
Abiotic factors
Niche
Food chain
Biomass
Decomposer
food web
photosynthesis
primary consumer
producer
secondary consumer
tertiary consumer
trophic level
invertebrate
organism
herbivore
carnivore
Omnivore
Pyramids of number
Pyramids of biomass
Pyramids of energy
