Will mark brainliest aswer forbox 1 and box 2on top of the oval says a-u-g-g-c-a

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?