Characteristics of the early u. s. navy "super frigates" included select all that apply.

The original six frigates of the United States Navy came up with the Naval Act of 1794. Two characteristics are distinct of these said  early US. Navy "super frigates. They are:

·         timbers put close together to be  able to withstand heavy cannon fire

·         hull reinforced to resist the pressures of heavier ordnance on deck

a symbiotic relationship with the mitochondria