chorion in mammals {Ans: forms most of placenta}myriapods {Ans: centipedes and millipedes. trunks and head, 1 or 2 pairs of legs per trunk, 1 pair mandibles, 2 pairs maxillia, 1 pair antennae, terrestrial, highly segmented}coelomates (chordata) {Ans: amphixus, notochord, nerve chord, pharnygeal slits, post anal muscular tail}Phycomyces {Ans: (Fungi - Zygomycota) Phototropic fungus, hetero or homo thallic (+/-)}cephalopoda {Ans: squid, octopus. highly developed head, no shell, no foot (derived into tentacles), radula, posterior anus, beak like jaw, circle of tentacles around mouth}Chitridiomycota {Ans: motile, uniflagellate, zoopspores. mostly aquatic, alternation of generations}