air
biotic
abiotic
birds
biotic
abiotic
fungus
biotic
abiotic
herbivores
biotic
abiotic
oxygen
abiotic
biotic
trees
abiotic
biotic
human beings
abiotic
biotic
soil type
biotic
abiotic
herd animals
abiotic
biotic
fire
biotic
abiotic
rocks
abiotic
biotic
bacteria
abiotic
biotic
carnivores
biotic
abiotic
temperature
abiotic
biotic
omnivores
abiotic
biotic
water
biotic
abiotic