Sponge Crossword Puzzle

QUESTIONS LIST: wandering cells : the red blood cells of sponges, oseculum : a large opening in sponges, invertebrate : an animal with no backbone, spongin : the defense mechanism term, pore cells : sponges form a tube-like cell called, collar cells : what filters the water that has a flagellum and creates a current inside a sponge, spawning : producing a large deposit of egg, filter feeder : filters through the water to get its food, metamorphosis : development change in physical or structural tissue, sessile : being attached to the bottom and unable to move from a surface is named?, spicules : small pointy body embedded among cells in tissues of invertebrates, amphiblastula : a free-swimming larva from sponges, porifera : pore bearing, asymmetrical : what is it called when two sides of something do not match