The vestigial structures in animals
for example we, humans once had a tail that is connected to our tail bone coccyx and every mammals you see had a tail.
One way to remove dirt and harmful substances from water is by filtering.
The original six frigates of the United States Navy<span> came up with the Naval Act of 1794. Two<span> characteristics are distinct of these said early US. Navy "super frigates. They are: </span></span>
<span>· </span><span>timbers put close together to be able to withstand heavy cannon fire</span>
<span>· </span><span>hull reinforced to resist the pressures of heavier ordnance on deck</span>
Answer:
Once assembled, what is the key to a protein's unique function? The manner in which proteins fold is the key to their function