Lab Quiz 1 Flashcards
igneous
Molten rock
granite, basalt, pumice
Metamorphic
Exisiting rock altered due to heat
Gneiss, schist, slate, marble, quartzite
Sedimentary
Fossils, weathered
Sandstone, shale, limestone, chert, gypsum
Calcium carbonate- Mollusks, corals, sponges, coal
Excrement
Coprolite
Trace fossil
What are the three cell morphologies that bacteria often exhibit?
Spheres (cocci)
Rods (bacilli)
Spiral (hélices) -spirochete cell
Flagella
Locomotion
Feeding in kinetoplastids
Biofilm
Ooze and bacteria protected against antibiotics
Chrolorophyll a
Photosynthesis in Cyanobacteria
Anabaena
Heterocysts- nitrogen fixing cells convert n2 to ammonia for photosynthesis
Spores- larger cells develop into new filament
Chloroplasts
Derive from endosymbiosis Cyanobacteria, photosynthesis
Thallus
Body of multicellular form
What are the characteristics of the domain eukarea?
Cells have nucleus and other membrane bound organelles such as contractile vacuole
Diatoms
Bacillarlophyta - freshwater and marine
Euglena
Euglenophyta
Flagella, auto or hetero
Pellicle- outer covering
Green algae
Chlorophyta
Spirogyra and volvox
Marine and freshwater
Brown algae
Phaeophyta
Mutlicellular, Marine, fucoxanthin
Gas filled cavities and holdfasts
Red algae
Rhodophyta
Multicellular, marine
Phycoerthrin
Coralline- deposit calcium carbonate within/around cell wall
Amoebae
Amoebozoa
Move using pseudopodia
Feed by phagocytosis (engulf food in cytoplasmic extensions)
Contractile vacuole
Cilliates
Ciliophora
Paramecium (feed by sweeping food into gullet with cilia) stentor, vorticella
2 nuclei
Radiolarians and foraminifera
Rhizaria Pseudopodia Actinopod Marine Silica vs calcium carbonate
Trypanosomiasis
Kinetoplastids
Use flagella for feeding and locomotion
Sponges
Porifera
Clams, mussels, oysters, ammonoid cephalopod
Mollusks, bivalvia
Sea lillies, starfish, sea urchin
Echinodermata
Carbonized
Plant fossil, live fern and seedless plant
Trace fossils
Tracks, footprints, nests burrows, COPROLITE
Corals
Cnidaria
Snails
Mollusca
Trilobite
Arthropoda
