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Kingdom Diversity
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Taxonomy Hierarchy of classification:
(Domain then Kingdom- Largest and most encompassing) (Species- smallest grouping- includes organisms that can interbreed) Binomial Nomenclature = Scientific naming includes Genus and Species Genus is capitalized while species is lowercase. When in print, scientific name is italicized When handwritten, scientific name is underlined
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3 Domains and 6 kingdoms in tree of life
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Eubacteria Cell type - Prokaryotes Number of cells - Unicellular
Nutrition - Both heterotrophic and autotrophic forms Have cell walls that contain peptidoglycan Peptidoglycan is made of amino acids and carbohydrates and is present in the cell walls of eubacteria.
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Bacterial Shapes
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Bacteria Examples
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Archaebacteria Cell type - Prokaryotes Number of cells - Unicellular
Nutrition - Both heterotrophic and autotrophic forms Have cell walls that do not contain peptidoglycan and therefore cannot be stained using gram staining techniques Can survive in harsh environmental conditions Examples: halophiles, thermophiles alkaliphiles, and acidophiles
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Thermoacidophiles Thermophiles
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Protista Cell Type - Eukaryotic
Number of cells - Both unicellular and multicellular forms Found in moist/wet environments Nutrition - Both autotrophic and heterotrophic forms Some with cell walls, some without.
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Fungi Cell type - Eukaryotic
Number of cells - Both Multicellular and Unicellular forms Nutrition - Heterotrophic Decomposers Excrete enzymes to Digest food externally then Absorb nutrients from environment Saprophytes Living off of dead matter Have cell walls Made of chitin
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Plantae Cell type - Eukaryotic # of Cells - Multicellular
Nutrition - Autotrophic/ Photosynthetic Producers Have cell walls Made of cellulose
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Plant Adaptations Tropism- a plant’s response to its environment
Plants control their growth in response to stimuli by using hormones. Hormones- chemicals made the organism & travel to another part of the organism. Affects the organisms activities at that location.
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Plant Adaptations Hormones used by plants
Auxins are plant hormones that regulate phototropism. Gibberellins- plant growth hormones that cause the plant to grow taller Abscisic Acid- plant hormone that inhibits growth and cell division.
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Plant Adaptations Geotropism- a plant’s response to gravity
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Plant Adaptations Phototropism- a plant’s response to light
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Thigmotropism- a plant’s response to touch
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Plant Adaptations- Cont.
Dormancy- plant seeds will not sprout unless favorable environmental conditions exist. Waxy coating on leaves- to protect from evaporation/conserve water Insulation- thick bark on conifers to protect against fire Flexible branches- branches bend rather than breaking under weight from snow and ice Pollination by: wind, insects, birds, or other animals.
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Animalia Cell type - Eukaryotes # of cells - Multicellular
Nutrition - Heterotrophic NO Cell Walls
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Animal Adaptations Behavior Adaptations Inherited behavior
Innate behavior Reflex simple quick automatic behavior For example, blinking Instincts More complex May be a combination of behaviors May take longer For example, courtship behaviors Territorial Behavior Animals may exhibit aggression to protect: Territory Food source Young offspring Animal Adaptations
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Animal Adaptations Cont.
Migration- animals move to warmer climates during cold winter months. Hibernation- physiological change where animal’s body temperature drops, consumption of oxygen decreases, and breathing rate decreases for cold winter months Estivation- physiological change where animals reduce metabolic rate from extreme heat, lack of food, or long periods of drought Learned behavior Habituation Imprinting
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Animal Adaptations Defense Adaptations Mechanical Defenses
Camouflage Cryptic coloration Disruptive coloration countershading Chemical Defenses Poisons Irritants or taste bad Nutrient exclusion
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