Biol 202 Midterm Practice Exam New Written Questions And Answers Concordia University

protosomes {Ans: spiral cleavage, blastosphereinto mouth, trochophore larva}Annelida (segmented) {Ans: segmented worms - most are marine - closed circulatory system - ventral nerve chord}Cubozoa {Ans: box jellies}Ectoprocta (outside-anus) {Ans: moss animals - have an outside anus - coelomates - lophophore - sessile - have exoskeleton - often grow on side of boat}Filarial worms {Ans: disease-causing roundworms that infect over 250 million people in tropical countries -elephantiasis}Diptera (two/ wings) {Ans: flies and mosquitoes - two pairs wings - main large wings used in flying and small wings for directionality - mouth is sponge like}tegument {Ans: covering or skin}Maxillipeds {Ans: Crustacean appendages modified to function as mouthparts}Nemertea {Ans: proboscis worms - acoelomate - ribbon worms - complete digestive - closed circulatory system - dioecious - proboscis used to stun prey}hemocoel {Ans: The primary body cavity of most invertebrates, containing circulatory fluid}Chelicerata (jawbone/ horn) {Ans: a sub phylum of arthropods; includes Horseshoe crabs, spiders, scorpions, mites etc. - two tagmata (anterior prosoma and posterior opisthoma)}dioecious {Ans: Having male and female reproductive organs in separate plants or animals}Arachnida {Ans: a class of arthropods that includes scorpions, spiders, mites and ticks -book