Why are there less tertiary consumers than primary consumers?
30,000 kcal
tertiary consumer (carnivore)
300,000 kcal
secondary consumer (carnivore)
3,000,000 kcal
primary consumer (herbivore)
30,000,000 kcal
producer
there is less energy available for higher trophic levels
the primary consumers ate all the tertiary consumers
there is an equal number of organisms at each trophic level
there is more energy available for the higher trophic levels