BIOL 2117 LATEST 2026 EXAM QUESTIONS AND ANSWERS
RATED A+
✔✔Diatoms - ✔✔Unicellular, used in oil storage, produce domoic acid which cause
diarrhea/memory loss in humans, concentrates in mussels
✔✔Dinoflagellates - ✔✔responsible for red tides, unicellular, paralytic shellfish
poisonings
✔✔Oomycota - ✔✔multicellular, chemoheterotrophic (NO chlorophyl, NO
photosynthesis), Irish potato blight
✔✔Protozoa - ✔✔Various kingdoms, chemoheterotrophs, absorption and ingestion,
ALL unicellular, most are motile, some are cysts
✔✔Diplomonads and parabasalids - ✔✔NO mitochondria, but still have means of
making energy
✔✔Euglenozoa - ✔✔Hemoflagellates, blood parasites, arthropod vectors (biting insects)
✔✔Amoebae - ✔✔Pseudopods
✔✔Apicomplex - ✔✔non-motile, obligate intracellular parasites, complex life cycles
✔✔Definitive host - ✔✔harbors adult/reproductive stage
✔✔Intermediate host - ✔✔Harbor larval stage
✔✔Accidental/dead end host - ✔✔hosts that can be infected, but organism cannot
progress in life cycle
✔✔Ciliates - ✔✔move by cilia
✔✔Helminths - ✔✔Animalia kingdom, chemoheterotroph, absorption, ingestion, all
multicellular and have tissues and organs, microscopic eggs, elaborate life cycles,
adults visible to naked eye
✔✔Nematodes - ✔✔round worms
✔✔Cestodes - ✔✔tapeworms
✔✔Trematodes - ✔✔flukes
✔✔Monoecious - ✔✔Hermaphrodite--both male and female parts
RATED A+
✔✔Diatoms - ✔✔Unicellular, used in oil storage, produce domoic acid which cause
diarrhea/memory loss in humans, concentrates in mussels
✔✔Dinoflagellates - ✔✔responsible for red tides, unicellular, paralytic shellfish
poisonings
✔✔Oomycota - ✔✔multicellular, chemoheterotrophic (NO chlorophyl, NO
photosynthesis), Irish potato blight
✔✔Protozoa - ✔✔Various kingdoms, chemoheterotrophs, absorption and ingestion,
ALL unicellular, most are motile, some are cysts
✔✔Diplomonads and parabasalids - ✔✔NO mitochondria, but still have means of
making energy
✔✔Euglenozoa - ✔✔Hemoflagellates, blood parasites, arthropod vectors (biting insects)
✔✔Amoebae - ✔✔Pseudopods
✔✔Apicomplex - ✔✔non-motile, obligate intracellular parasites, complex life cycles
✔✔Definitive host - ✔✔harbors adult/reproductive stage
✔✔Intermediate host - ✔✔Harbor larval stage
✔✔Accidental/dead end host - ✔✔hosts that can be infected, but organism cannot
progress in life cycle
✔✔Ciliates - ✔✔move by cilia
✔✔Helminths - ✔✔Animalia kingdom, chemoheterotroph, absorption, ingestion, all
multicellular and have tissues and organs, microscopic eggs, elaborate life cycles,
adults visible to naked eye
✔✔Nematodes - ✔✔round worms
✔✔Cestodes - ✔✔tapeworms
✔✔Trematodes - ✔✔flukes
✔✔Monoecious - ✔✔Hermaphrodite--both male and female parts
