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34 Cards in this Set
- Front
- Back
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Antoni van Leeuwenhoek
1632-1732 |
first to visualize "animalcules or beasties"
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Antoni van Leeuwenhoek
1632-1723 |
examined water and saw tiny animals, fungi, algae and single cell protozoa
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Carolus Linnaeus
1707-1778 |
developed a system for naming plants and animals - taxonomic system
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Six categories of microorganisms
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fungi, protozoa, algae, prokaryotes (bacteria & archae) or small animals
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Eukaryotic means
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single cell or multi cell organism
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what is it called when you get food from other organisms?
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heterotroph
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are Fungi eukaryotic or prokaryotic?
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eukaryotic
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Fungi includes what organisms?
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molds, yeasts, mushrooms
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are fungi - molds asexual or sexual?
acellular? unicellular or multicellular? |
multicellular; have hyphae; reproduce by sexual and asexual spores
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are yeasts-molds asexual or sexual? acellular, unicellular or multicullular?
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unicellular; asexual by budding; some produce sexual spores
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are protozoa a prokaryote or a eukaryote?
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eukaryote
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characteristics of protozoa? where do they live? structure and nutritional needs?
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typically live freely in water, but some live inside animal hosts. similar to animals in nutritional needs and cell structure
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are protozoa asexual or sexual?
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most asexual; some sexual
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three methods of locomotion of a protozoa?
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cilia, flagella, amoeba (protozoa)
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are algae acellular, unicellular or multicellular
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unicellular or multicellular
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what is photosynthesis
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green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
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how are algae categorized?
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on the basis of pigmentation, storage products and composition of cell wall
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other algae facts
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made with cilica; responsible for majority of oxygen
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examples of Prokaryotes
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bacteria and archaea
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are bacteria and archaea acellular, unicellular or multicellular?
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unicellular
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are bacteria and archaea smaller or larger than eukaryotes?
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much smaller
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where can you find bacteria and archaea?
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anywhere there is sufficient moisture; some found in extreme environments
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do bacteria reproduce asexually or sexually?
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asexually only
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cell walls of bacteria contain:
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peptidoglycan; some lack cell walls;
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do bacteria cause disease
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most do not cause disease; some are beneficial or required for life
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cell walls of archaea are composed of:
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polymers other than peptidoglycan
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Aristotle
384-322 B.C. |
proposed SPONTANEOUS GENERATION
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what is SPONTANEOUS GENERATION
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living things arising from non-living matter a/k/a ABIOGENESIS
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another name for ABIOGENESIS
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SPONTANEOUS GENERATION
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why did Aristotle propose SPONTANEOUS GENERATION
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?
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what did Francesco Redi (1626-1697) contribute to ABIOGENESIS (SPONTANEOUS GENERATION)
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?
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what did John Needham (1713-1781) contribute to ABIOGENESIS (SPONTANEOUS GENERATION)
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?
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What did Lazzaro Spallanzani (1729-1799) contribute to ABIOGENESIS (SPONTANEOUS GENERATION)
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?
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what did Louis Pasteur (1822-1895) contribute to ABIOGENESIS (SPONTANEOUS GENERATION)
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?
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