The Child.

Riddle: Two people meet inside of a zoo and with some time a child was born. The child of two people had no clue, but the two people who meet they already knew. The child was the person who acted like glue. Who are the two people that met at the zoo?

Answer: The adopted parents.

Source: https://www.riddles.com/5486

Two people meet inside of a zoo and with some time a child was born. The child of two people had no clue, but the two people who meet they already knew. The child was the person who acted like glue. Who are the two people that met at the zoo? — The child. by Steinert Jonathan v1.

Riddle: Two people meet inside of a zoo and with some time a child was born. The child of two people had no clue, but the two people who meet they already knew. The child was the person who acted like glue. Who are the two people that met at the zoo? Answer: The adopted parents. — by Steinert Jonathan v2.