Missouri made the crinoid its official state fossil. Nicknamed the "sea lily," crinoids are actually formed by ancient sea anima
ls. What present day animals are they related to? A) manatees and whales B) sharks and dolphins C) sting rays and jellyfish D) starfish and sand dollars
is the correct answer crinoids are echinoderms, animals with rough, spiny surfaces and a special kind of radial symmetry based on five or multiples of five.
I don't think doctors are supposed to do that but if they are I'm guessing it's probably to kill a infection of some kind or speed up the healing process
