a) water vascular system b) notochord c) tube feet d) pentaradial symmetry in adult e) endoskeleton of calcium carbonate plates and spines An animal with a body cavity completely lined with mesoderm such as molluscs are ___. (a) coelomates (b) deuteros...
What type of skeleton would be found in arthropods and molluscs? Select one: a. An exoskeleton. b. A hydrostatic skeleton. c. An endoskeleton. d. A compound skeleton. e. A spongy skeleton.What is an organism called that develops a body cavity between its mesoder...