Call of the Wild/ related readings-----HELP!!

hi ppl,,

ive got a project on "With Age, How Do Animals Fare?"

but i really dont understand it,,

i need someone 2 explain it,,

or 2 tell me wut should i do,,



and i will be thankfull,... chawz,,,,,,,,

Could you be a little more specific? What exactly is the assignment? I might be able to help, having just finished this novel today.