Biomes
Biotic & Abiotic Factors
Terrestrial Biomes
Aquatic Biomes
Biome
• Biome: a large region
characterized by a specific type of
climate and certain types of plant
and animal communities
Biotic & Abiotic
Factors
Biotic Factors
• Biotic Factors: the biological
influences on organisms within an
ecosystem
– Birds, Trees, Mushrooms, Bacteria
Abiotic Factors
• Abiotic Factors: physical, or
nonliving, factors that shape
ecosystems
– Climate (temperature, precipitation,
humidity, etc.)
– Wind, Nutrient Availability, Soil Type,
Sunlight, etc.
Hawk
Plants
Insect
s
Fish
Snake
Bacteria
Sunligh
t
pH
Temp
Humidit
y
Acid
Rain
Soil
Type
Together, biotic and abiotic factors
determine the survival and growth
of an organism and the
productivity of the ecosystem in
which the habitat lives.
Terrestrial
Biomes
Coniferous Forest
Deciduous Forest
Tropical Forest
Desert
Savanna
Grassland
Tundra
Chaparral
Aquatic
Biomes
Marine
Zonation
Estuaries
Intertidal
Zone
Freshwater