unit 2 review: taxonomy - mrmsmith.weebly.com · •protista •fungi •plantae ... hetero:...
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![Page 1: Unit 2 Review: Taxonomy - mrmsmith.weebly.com · •Protista •Fungi •Plantae ... Hetero: Different 3. Troph: Energy 2. Uni vs. Multicellular 1. Uni: One 2. Multi: More than one](https://reader031.vdocuments.net/reader031/viewer/2022013114/5c0da91f09d3f2cc538bb299/html5/thumbnails/1.jpg)
Unit 2 Review: Taxonomy
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Early Taxonomy (Classification)
1. Aristotle:1. Plant
2. Animal
2. Linnaeus:
1. Hierarchy: levels of organization.
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How can I remember this?•King
•Phillip
•Came
•Over
• For
•Good
• Soup
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Kingdoms
• 6 kingdoms• Archaebacteria• Eubacteria• Protista• Fungi• Plantae• Anamalia
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Know the Difference.
Archaebacteria vs. Eubacteria
1. Environment
2. Composition of cell wall
Plant vs. Fungi
1. Autotroph vs Heterotroph
2. Organelle composition
3. Seeds vs spores
4. Cell wall
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Genus and Species• Organisms sharing a genus are
closely related
• Species is the smallest and mostspecific group
• Species consist of similar organisms that can breed to produce fertile offspring
• Binomial nomenclature –naming system developed by Linnaeus that uses a two part name
• 1st part: identifies organism’s genus (capitalized)
• 2nd part: identifies it’s species
•Exs:•Wolf – Canis lupus•Domestic cat – Felis domesticus•Human – Homo sapien
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Tools to assist in classifying organisms:Cladogram: Dichotomous Key:
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What about viruses?!?!Viruses:
1. Not alive1. Require host cell to reproduce (Lysis)
2. Contains own DNA (Nucleic Acids)
3. Not made of cells
*Can be transmitted through air, exchange of fluids, contaminated food and water, and improper use of medical equipment.
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Plantae Kingdom Specifics
1. Autotrophic
2. Contain chloroplast; Photosynthesis
3. Multicellular
4. Eukaryotic
5. Responds to abiotic factors1. Tropism: A plant’s ability to respond to environmental
stimuli.
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1. Phototropism
2. Geo/Gravitropism
3. Thigmotropism
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Plant Hormones
• Cytokinins: Inhibit elongation and cause cells to grow thicker
• Gibberellins: Responsible for rapid early growth in many plants
• Ethylene: stimulates fruits to ripen
• Auxin: Promotes Growth, and plays a major role in certain tropisms
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Vocabulary to Know:
1. Auto vs Heterotrophic: 1. Auto: Self
2. Hetero: Different
3. Troph: Energy
2. Uni vs. Multicellular1. Uni: One
2. Multi: More than one
3. Cellular: Containing one or more cells
3. Pro vs Eukaryotic
1. Pro: Before
2. Eu: True
3. Karyo: Nucleus