Question

WHAT IS BUTTON IN BIOLOGY

Answer 1

Button

A knob; a small ball; a small, roundish mass.

(Science: zoology) button shell, a small, univalve marine shell of the genus Rotella. Button snakeroot.

(Science: botany) a genus of trees (Conocarpus), furnishing durable timber, mostly natives of the west indies. To hold by the button, to detain in conversation to weariness,
to bore.

Answer 2

Button is a marine shell of genus Rotella
(like Ethalia guamensis,umbonium).
They are called top button shells.

The term 'button' is also used for Mushroom
Button mushroom is the most common variety of mushroom.