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Published byErnest Stokes Modified over 9 years ago
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Finishing Taxonomy
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Domain Kingdom Phylum (sub-phylum) Class Order Family Genus Species The Phylogenetic Tree Do Kangaroos Prefer Chocolate Or Fruit Generally Speaking?
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The 3 Domains
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Prokaryotic Unicellular Some of the first life forms on Earth Mostly found in 3 shapes – spheres, rods and spirals Contains a cell wall (amino acids) Ribosomes (70S sedimentation rate) Eg. Gut flora, syphallis, Lactococcus Bacteria
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Prokaryotic Unicellular More closely related to Eukarya Live in some of the most extreme conditions on Earth Cell wall (proteins – different from bacteria) Ribosomes (16S sedimentation rate) Eg. Help in element cycling, mutualism with animals Archae
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Eukaryotic Unicellular or Multicellular Most complex life forms Cell walls (chitin or cellulose) Ribosomes (80S sedimentation rate) Eg. Amoebas, grasses, mushrooms, elephants Eukarya
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Unicellular or multicellular Contains a membrane bound nucleus and mitochondria Organelles! Eukaryotes Unicellular Does not contain a nucleus or mitochondria Lacks membrane bound organelles (ER, golgi bodies, etc.) Prokaryotes Prokaryotes vs. Eukaryotes
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Eukaryotic, unicellular Autotrophic or heterotrophic No cell wall Eg. Slime molds, Euglena, Paramecium There are animal-like protists as well as plant-like protists Cause of Malaria Kingdom Protista
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Eukaryotic, multicellular Heterotrophic (decomposers) Cell wall made mostly of chitin Eg. Mold, Yeast, mushrooms, Athlete’s foot, Penecillium Made up of a mass of small filaments (hypae) “eat” by secreting digestive enzymes Kingdom Fungi
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Eukaryotic, multicellular Autotrophic Cell wall of cellulose Eg. Green algae, moss, ferns, flowering plants, trees Contain chloroplasts Kingdom Plantae
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Eukaryotic, multicellular Autotrophic No cell walls Eg. termites, seahorses, snakes, goats, gorillas Kingdom Animalia
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Which Kingdom does it belong in? Duck – Billed Platypus
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Which Kingdom does it belong in? Duck – Billed Platypus Animalia
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Bread Mold
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Fungi
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Volvox
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Protista
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Green Moss
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Plantae
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Intro to Ecology
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On a blank piece of paper create a word web of all terms involved with ecosystems What is an Ecosystem?
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Abiotic and biotic features of a given area Eg. temperature levels, rainfall, soil types, animals, plants All organisms in an ecosystem referred to as a community Changes in ecosystem over time = ecological succession Ecosystem
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Mount St. Helen’s Case Study
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