BIO205 Midterm 2 Study Questions PDF

Study questions - BIO205 midterm 2 Nemerteans characteristics 1) what is the rhynchocoel? 2) how do nemerteans capture prey? 3) how might you distinguish a nemertean from a platyhelminth? Molluscs Characteristics 4) what is a radula, how does it work? 5) know the shell layers, and what compris...

Study questions - BIO205 midterm 2 Nemerteans characteristics 1) what is the rhynchocoel? 2) how do nemerteans capture prey? 3) how might you distinguish a nemertean from a platyhelminth? Molluscs Characteristics 4) what is a radula, how does it work? 5) know the shell layers, and what comprises them. 6) know the basic anatomy of molluscs. 7) know the larval forms of molluscs small mollusc groups 8) know the smaller groups, and some basic characteristics. gastropods 9) What are the types of coiling in gastropods? 10)What is torsion? What are the pros and cons of torsion? 11)how does respiration work in gastropods? 12)What are the subclasses of gastropods? Bivalves 13)how does feeding work in bivalves? 14)what does the term “bivalve” mean? 15)how do pearls form? 16)how does respiration work in bivalves? 17)what is the special veliger found in freshwater bivalves? 18)what is the circulatory system like in bivalves? Cephalopods 19)how does the Nautilus maintain its buoyancy? 20)What’s up with cephalopod shells? 21)how do cephalopods feed? 22)what is the circulatory system like in cephalopods? 23)what are the subclasses of cephalopods? 24)what are the orders of coleoidea? 25)what is the difference in arms and Tentacles? 26)how does color change work in cephalopods? 27)how does reproduction work in cephalopods? Annelids 28)what are the benefits of metamerism? 29)what phyla possess metamerism? 30)know the general anatomy of annelids? polychaetes 31)know the parts of the annelid head. 32)what is an atoke? Epitoke? 33)what are siboglinids? 34)what would you see if you opened up a siboglinid? 35)what are the basic characteristics of a trochophore? 36)how do echiurans feed? 37)where might you find a sipunculan? 38)how are sipunculan larvae different from other annelids? 39)what is wrong with the polychaetes as a group? clitellata 40)where do oligochaetes get their name? 41)what is a clitellum? what is it used for? 42)what is the relationship between oligochaetes and hirudinea? 43)how do leaches feed? 44)how do earthworms reproduce? 45)how do clitellata exchange gasses? smaller lophotrochozoan groups diversity 46) know the basic life cycle of a cycliophoran. 47) where would you find a cycliophoran? 48) know some of the basic differences between entoprocts and ectoprocts. 49) what is a lophophore? 50) in what ways are brachiopods different from bivalve molluscs? Nemata Anatomy 51)what type of body cavity to nematodes possess? 52)what is the cuticle of nematodes made of? 53)how do nematodes move? 54)how is the nervous system of nematodes set up? 55)how does food move through the digestive tract of nematodes? Diversity 56)know some of the parasitic nematodes we talked about, and a little about their life cycles. 57)what are filarial roundworms? 58)what are mermithid nematodes? smaller Ecdysozoa 59)In what ways are nematomorphs similar to mermithid nematodes? 60)what are the caudal appendages of priapulids probably used for? 61)what characteristic is shared by the ecdysozoans? 62)what are the scalids of kinorhynchans used for? 63)in what ways are loriciferans similar to kinorhynchans? 64)where might you encounter a loriciferan? Panarthropoda onychophora 65)why is the “ladder” model for thinking about evolution misleading and Wrong? 66)how do onychophorans feed? 67)what characteristics do onychophorans share with arthropods? 68)what are oral papillae used for? 69)why are the characteristics that Onychophorans share with annelids less informative? Tardigrades 70) in what ways are the tardigrades similar to arthropods? 71)how do tardigrades feed?. 72)where might you find a tardigrade? 73)how does mating occur in tardigrades? 74)what is a tun? 75)what compounds are known to help protect tardigrades during cryptobiosis?