Parasitism is an interaction in while the host is harmed
They have very sharp teeth to cut through their prey, or try to escape if they are trapped
Their bodies are very narrow, enabling them to be very quick and nimble, it also enables them to hide it tight spaces
Their teeth also enables them to escape a fishermen's line ( I'm a fishermen and I've lost many barracuda due to those teeth.)
I hope this helped
<span>Employee of the Elder-Dempster shipping company based out of Antwerp. Responsible for basically starting the international human rights movement in the Congo Free State. Created the Congo Reform Association and was a constant thorn in the side of Leopold II. He formed his own newspaper 'The West African Mail' and wrote 'Red Rubber' to publicise the atrocities committed by King Leopold II and his officers in the Congo.</span>
The other guy is right, B is the answer now hurry and get that test prep done