Which of the following statements is incorrect?

The pyramid of energy is always upright because the flow of energy is unidirectional from producer to consumer level. The energy content is maximum in producers. The energy decreases at each trophic level of food chain, as part of the energy is lost as heat and major part of energy is liberated during respiration for use in various activities.

Biomass decreases from first to fourth trophic level in an upright pyramid.

Number of individuals decreases from first trophic level to fourth trophic level in an upright pyramid.