Medicare and Medicaid are very different. Medicaid is a federal program for low-income, financially needy people, set up by the federal government and administered differently in each state. (This program is called Medi-Cal in California.).
1 Chimpanzees have a long mother-infant dependency period. 2  Infants will nurse on their mothers for five years and stay with their mothers several more years learning to care for younger siblings. 3  The life span for chimpanzees is 40 to 50 years in the wild and over 50 to 60 years in captivity.
African elephants show sexual dimorphism in weight and shoulder height by age 20, due to the rapid early growth of males; by age 25, males are double the weight of females. However, both sexes continue to grow throughout their lives.