Nautilus Adjusts Its Vertical Position in the Water Column by Means

Question

Nautilus adjusts its vertical position in the water column by means of
A) Gas secretion
B) Use of low-density ions
C) Swimming upward continuously
D) Delicate projections from the shell that prevent sinking

Accepted Answer

Nautilus adjusts its vertical position in the water column by secreting gas into its shell chambers, allowing it to control buoyancy and move vertically without the need for continuous swimming or physical adaptations like projections from the shell.