They both have to do with beliefs. Many people hurt other people because of how they think it believe.
While mean total scores may be similar across the sexes, men have more variability in their IQ scores
A pyramid of energy represents how much energy, initially from the sun, is retained or stored in the form of new biomass at each trophic level in an ecosystem. Typically, about 10% of the energy is transferred from one trophic level to the next, thus preventing a large number of trophic levels.
