Why is a starfish an echinoderm?

Can lime diesese kill? What is an insects feeler? Are all plankton photosynthetic? How long does bee pharamone last? Why don' t insects have an exoskeleton? What is endosymbiont theory? What are tiny round black bugs that bite at night and leave a small itchy mark show a picture? Is an ant a noun? A cavity that serves both digestive and circulatory purpose in some cnidarians? How big do ladybugs get? How many legs are on an Antarctic krill? What organism eats Blackfly Larvae? What is the class for insects? Where do box elder bugs go in the winter? What specifically eats caterpillars? What behaviors do sponges inherit? Why is underground an advantage to maggots? Why can islands support many beetles but few hawks? What ia the old mans hangman answers in mission 2 on binweevils? Do porcupines eat caterpillars?