Possible short answer questions for Zoology Exam #2.
Chapter 8
1.
Describe the characteristics of the Kingdom Protozoa. Is it animal or plant? Why?
2.
Describe the biblical importance (as discussed in lecture) of the
Phytoflagellated such as the dinoflagellates.
3.
Describe the symbiotic lifestyle of the Zooflagellated Protozoa Phylum
Apicomplexa: Plasmodium that causes Malaria.
Chapter 9
1.
Explain the two hypothesis regarding the origin of multicellularity.
Which has more support and why?
2.
Describe the characteristics of the Phylum Porifera. Include the cell types found in the body wall and their general function. Also include the various skeleton structures found in sponges.
3.
Describe and compare the three different body forms in the Porifera
Phyla: Ascon, Sycon and Leucon.
4.
Describe the general characteristics of the Phylum Cnidaria and its
“alteration of generations”- Describe the reproductive process of
Cnidarians.
Chapter 10
1.
Describe the evolutionary relationship between the tribloblast acoelomate body plan, radial diploblastic body plan- Cnidirian and tripoblastic coelemate body plan.
2.
Describe the important evolutionary characteristics of the Triploblastic
Acoelomate body plan.
3.
Describe the characteristics of the Phylum Platyhelminthes and the life cycle of Class Trematoda- parasitic flukes.
4.
Describe the general characteristics and the life cycle of the Class
Cestoda- tapeworms.
1

Key Terms
Chapter 8
Kingdom, Phylum, Class, Order, Family, Genus, Species, Polyphyletic, autotrophic, heterotrophic, asexual reproduction, flagellated, phytoflagellated protozoa, symbiosis, parasitism, commensalisms, mutualism, host, definite host, intermediate host, dinoflagellate, Fission, host, pellicle, protozoan, euglena, stigma, pyrenoid, mastigophora, zooflagellated protozoa, Life cycle of Trypanosoma brucei causes African sleeping sickness- Tsetse flies,
Phytomastigophora, Zoomastigophora, trypanosoma, trichonympha, volvox, sarcodina, amoebas, pseudopodia, difflugia, test (shell), coccidea, apicomplexa, sporozoan, plasmodium life cycle, sporozoites, gametocytes, ciliophora, conjugation, paramecium
Chapter 9
Polyphyletic, Monophyletic, colonial hypothesis, synctial hypothesis, Physalia
physalis- Portuguese Man-of-War, Phylum Porifera- Sponges, pinacocytes, mesenchyme- ameobocytes, choanocytes- collar cells, central cavity, spicules, sponging, ascon, sycon, leucon, ostia, spongocoel, osculum, monoecious, larva, mesohyl, vacuoles, Phylum Cnidaria, radial symmetry, sensory receptors, diploblastic, mesoglea, gastrodermis, gastrovascular cavity, cnodocytes, ectoderm, endoderm, epidermis, nematocyst, operculum, cnidocil- modified cilium, , medusa, polyp, alteration-of-generations, asexual, sessile, dioecious, gemmules, budding, colony, planula, hydrozoan, hydras,
Gonionemus, Class Scyphozoa, Aurelia, Class Anthozoa- anemone and corals, mesenteries, gonads, pharynx, oral end, aboral end, tentacles, bioluminescence
Chapter 10
Acoelomate, bilateral symmetry, triploblastic, diploblastic, coelomate, cephalization, germ layers, ectoderm, mesoderm, endoderm, organ-system level of organization, flattened dorsoventrally, gastrovascular cavity, monoecious, parenchyma, excretory system, muscle system, digestive system, reproductive system, ciruculatory system, respiratory system,,
Phylum Platyhelminthes, Class Turbllaria- flat worms, protonephridia, osmoregulatory structures, nephros- kidney, flame cells, nephridiopore, nervous system- ganglion, Ocelli, asexual, sexual, , Class Tremotoda- parasitic flukes, tegument, Chinese liver fluke, Class Cestoda- tapeworms, endoparasites, scolex, proglottids, strobila, gravid proglotid, immature proglotid, neck and head of tapeworm, holdfast, Class Mongenea- parasitic flukes, ectoparasite, predator, scavenger, host, definite host, intermediate host, Phylum Nemertea, unsegmented body, closed circulatory, ciliated epidermis, cerebral gangion
2

3