MAXIMUM LIFE EXPECTANCY is the oldest possible age that members of a specie can attain, whereas AVERAGE LIFE EXPECTANCY is the average number of years the average new born in a particular population is likely to have. The maximum life expectancy for humans is 122 years. The average life expectancy of female is greater than that of male, in USA, the average life expectancy for female is 81 while for male is 76.
Explanation: The definition of mutualism states " interaction between two or more species where each species has a benefit". The bird is getting food from the insects and the horse is getting the insects removed. Both are benefited.
