Answer:
When it was young, it had a tail. When it grew up, it had knees
I'm a large gray animal with a trunk and tusks. What am I?
What fish came first?
I am known for my long trunk and large ears. What am I?
I am a mammal that lives in the sea. I have flippers and am known for my intelligence. What am I?
Strip the skin under my skin, and my flesh you'll reveal. It tastes sweet and tart, now throw out the peel. What is it?