1) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.

2) Beyoncé, full name Beyoncé Giselle Knowles-Carter, is a highly influential American singer, songwriter, actress, and businesswoman. She rose to fame as a member of the group Destiny's Child and has since achieved success as a solo artist.

3) The Indian Ocean is the third-largest ocean and is characterized by its warm waters and diverse marine life.

4) The tongue of a blue whale is so big that about 50 people could stand on it.