Suppose an unusual heritable characteristic helped animals to live longer but made them sterile so they could not have any offspring. Explain why this heritable characteristic would NOT become more common in subsequent generations as a result of evolution by natural selection.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!