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Laws of Thermodynamics The First Law Energy cannot be _________________, only transformed No energy transformation is _____ efficient The Second Law _______ Increases Created or Destroyed 100% Entropy
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Pyramid of Biomass The Sun Photosynthesis (P/S) Producers Consumers __________ ________ _ Levels 10,000 Pounds _Pounds Pounds Trophic Autotrophs Heterotrophs 1. 2. 3.
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Trophic Levels Phytoplankton: Trophic Level 1 Herbivores: Trophic Level 2 Small Carnivores: Trophic Level 3 Large Carnivores: Trophic Level 4 Tuna Sharks Trophic Level 5 Swordfish The Sun 1-2% Efficient 10% Efficient
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Autotrophs = Diatoms: Marine Phytoplankton are? Photosynthetic organisms that are capable of making their own food Marine primary producers. They are photosynthetic.
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Primary Production A Measure of the ____________________ Deserts 200 pounds of edible vegetation produced per acre per year Tropical Rain Forests 10,000 pounds of edible vegetation produced per acre per year Rate of photosynthesis
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Type of consumer? Common name? Where am I found? Herbivores are primary consumers Roosevelt Elk Old growth forests
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Type of consumer? Carnivores are secondary consumers
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Omnivores? Coyotes are omnivores since they eat both meat and plant material
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Role in ecosystem? Kingdom? Fungi are decomposers Fungi
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P.E.VersusK.E Potential Energy Energy of Position Chemical bond energy Kinetic Energy Energy of Motion Released when chemical bonds are broken 1.2. 3.4.
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Atomic Structure: The Nucleus Protons Neutrons Charge = Weight = Charge = Weight = +1 1 0 1
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Electron Orbitals or Energy Levels Electrons Charge = Weight = Helium Atom 0
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e-e- 1P 6P 6N 2e - 4e - Hydrogen Carbon
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Ionic Bonds Bonds that form between_____ Give an example of an ion? Ions (charged atoms) H+H+
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Covalent Bonds Bonds that form when atoms ? e-e- Hydrogen 1 P
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Acids and Bases Acids: Release Bases: Release Hydrogen ions Hydroxide ions H+H+ OH -
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H+H+ H+H+ HCl H+H+ Cl - NaOH Na + OH - H3XH3X H+H+ X -3 H2OH2O H+H+ OH - I II III IV Acids and Bases
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The pH Scale 014 1 2 3 4 5 6 7 8 9 10 11 12 13 H + = OH -. AcidicBasic
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The pH Scale What is a buffer? Human blood = pH 7.4
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Monomeres versus Polymers Glucose_________ Amino acids_________ NucleotidesDNA and RNA Starch Glycogen Cellulose Proteins
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Digestion Carbohydrates________ Lipids__________ Proteins________
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Carbohydrates Monosaccharides Blood Sugar = ___________ Fruit Sugar = ___________ Milk Monosaccharide = __________ Disaccharides Sucrose = Glucose + __________ Lactose = Glucose + __________ Maltose = Glucose + __________ Polysaccharides Starch = Storage form of glucose in __________ Glycogen = Storage form of glucose in ________ Cellulose = Plant__________________ Glucose Fructose Galactose Fructose Galactose Glucose Plants Animals Cell Walls
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Proteins: The Primary Structure
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Enzymes are Specialized? Enzymes are catalyst Catalysts increase the rates of chemical reactions Many enzymes names have ase endings SucroseGlucose + Fructose Sucrase Lactose Lactase Glucose + Galactose
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Solution = Solute + Solvent Solute = Solvent = The Universal Solvent is? What is the percentage of Solute in: 1.Solution A? 2.Solution B? What is the percentage of Solvent in 1.Solution A? 2. Solution B?
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Proteins Composed of ___________ Contains the element __________ Source of nitrogenous wastes Most fish Sharks, frogs, humans Reptiles and birds Amino acids Nitrogen (N)
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Enzymes Enzymes are specialized proteins that __________________ Increase the rates of chemical reactions
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Photosynthesis 6CO 2 + 6H 2 O+ E______ + _____ What is the energy source that drives P/S? What is the primary photosynthetic pigment? A measure of the amount of photosynthesis is called? glucoseOxygen Solar (Energy from the sun) Chlorophyll Primary production
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Elodea : A Plant Cell What are these green things?
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Cellular Respiration ______ + ___ 6CO 2 + 6H 2 O + ATP Eat BreatheExhale Energy ATP Energy in a form the cell can use “Cellular Gasoline” Where in the cell does most ATP porduction occur?
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Autotrophs Versus Heterotrophs Autotrophs Heterotrophs
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Pyramid of Biomass How many trophic levels are in this pyramid? Plants 100,000 Pounds Light EFood E Herbivores ________ Pounds Carnivores _______ Pounds The Sun 1 – 2 % Efficient 10% Efficient
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Prokaryotic versus Eukaryotic Cells Prokaryotic Eukaryotic
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Prokaryotic VS Eukaryotic Cells ________ White Blood Cell _________Bacterial Cell ________or “false foot” created by?
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Plant Cells Versus Animal Cells
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1. 2. 3. A Plant Cell
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Mitochondrion Site of? Most of the ATP in cellular respiration is made here C 6 H 12 O 6 + 6O 2 6CO 2 + 6H 2 O + ATP
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Choloroplasts: The Site Of?
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Cilia and Flagella
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Cell Secretion is called?
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Cell Eating is called?
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Diffusion The movement of __________ from a region of ______concentration to a region of ______concentration The driving force for diffusion is Brownian movement Diffusion stops at ____________
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Osmosis The movement of _____ from a region of high ______ concentration to a region of low _____ concentration through a ____________________.
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Practice A is ____________ to B B is ____________ to A Solution A What is the percentage of : 1. Solute? 2. Solvent?
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Osmoregulation In Marine Fish 0.9% Salt 3.5% Salt The fish is ____________ to the sea water
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Osmoregulation In Freshwater Fish 0.9% Salt 0.2% Salt The fish is _______________ to the water
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Modes of Heat Loss and Heat Gain Radiation Heat moving from a region of ____ to ____ Conduction Heat loss or gain from _______________ Convection Heat loss or gain due to water or _____ currents The still layer of air or water around any object is called the ____________ Evaporation: The most effective mode of heat loss for terrestrial animals
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Ectothermic Versus Endothermic Mostly Poikilothermic _____ Metabolic Rate The primary source of body temperature is the __________ Mostly Homeothermic ____ Metabolic Rate The primary source of body temperature is ____________
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