"Grandma, do bears have belly buttons?"Alexis asks lots of remarkable questions. Usually, Grandma knows the answers to them, but even she doesn't know if bears have belly buttons. Grandma takes Alexis to the zoo to meet Dr. Merry, who answers Alexis' question and teaches Alexis and Grandma about mammals, reptiles, and amphibians. Do bears have belly buttons? Let's find out!