Nocturnal
nocturnal
Nocturnal animals.
They are nocturnal animals.
Nocturnal animals
nocturnal
durnio or diurnal
because some animals don't have a CONE in on their eye.
It is called a frustum.
Oast
a cone
A compound shape comprising a cylinder and a cone. There is no single name for such a shape.
You could call the vertex, the apex, the tip, or the point of the cone.