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Plants
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Answer the questions in your ISN
Video – “Life” by BBC Answer the questions in your ISN
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What are some of the ways organisms depend on plants?
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What are some of the ways organisms depend on plants?
Food
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What are some of the ways organisms depend on plants?
Food Shelter
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What are some of the ways organisms depend on plants?
Food Shelter Protection
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What are some of the ways organisms depend on plants?
Food Shelter Protection Oxygen
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Think about your day. Turn to a neighbor and discuss specific ways you depend on plants.
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Is this a plant?
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Is this a plant?
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Is this a plant?
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Is this a plant?
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All plants… Eukaryotic & multicellular
Are producers – an organism that makes its own food by using an outside energy source (the sun) Have cell walls (organelle only in plants) Have chloroplasts (organelle only in plants)
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What is a cell wall? Provides support and protection
Made of cellulose and lignin Animals have skeletons to hold them up, plants do not. No matter how tall a plant gets, the cell wall help them hold their shape. Like taking a water balloon and putting it in a cardboard box.
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What is a chloroplast? Organelle that converts light energy to chemical energy through a process called photosynthesis (we’ll talk about that later)
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How can plants be classified?
Lets create a classification map (tree map) Have students create a classification map in their notes as discuss various types of plants.
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Classification of plants
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plants Non-vascular vascular
Contains specialized tubes that transport water & nutrients Does not contain vascular tissue
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plants non-vascular vascular Seedless
Contains specialized tubes that transport water & nutrients Does not contain vascular tissue Seedless Reproduces by spores (needs water) No flowers No roots (have rhizoids) No cuticle Small in size Examples: liverworts, mosses, hornworts, bryophytes
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Non-Vascular Seedless Plants
Rhizoids helps to anchor plant Gets water and nutrients by osmosis and diffusion
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Liverworts
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Hornworts
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Mosses
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Bryophytes
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plants vascular non-vascular Seedless Seed Seedless
Contains specialized tubes that transport water & nutrients Does not contain vascular tissue Seedless Seed Seedless Reproduces by spores (needs water) No flowers No roots (have rhizoids) No cuticle Small in size Examples: liverworts, mosses, hornworts, bryophytes Larger than nonvascular seedless plants Examples include: ferns, clubmoss and horsetails
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Vascular Seedless Plants
Contain vascular tissue in root, stem and leaves. Vascular tissue is tube structures that transport water and nutrients. Examples include Tree ferns, club moss and horsetail.
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Club Moss ferns
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plants non-vascular vascular Seedless Seed Seedless Angiosperms
Does not contain vascular tissue Contains specialized tubes that transport water & nutrients Seedless Reproduces by spores (needs water) No flowers No roots (have rhizoids) No cuticle Small in size Examples: liverworts, mosses, hornworts, bryophytes Seed Seedless Larger than nonvascular seedless plants Examples include: ferns, clubmoss and horsetails Angiosperms Gymnosperms Cone-baring seeds Example – pine, cedar, spruce
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Gymnosperm Plants Pine Tree Cedar Tree Spruce Tree
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Gymnosperms Seeds produced in a cone
Group includes oldest plant and tallest plant. Bristlecone Pine - Know to live for over 5,000 years. Coast Redwood - Forest trees grow over 379 feet tall
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plants non-vascular vascular Seedless Seed Seedless Angiosperms
Does not contain vascular tissue Contains specialized tubes that transport water & nutrients Seedless Reproduces by spores (needs water) No flowers No roots (have rhizoids) No cuticle Small in size Examples: liverworts, mosses, hornworts, bryophytes Seed Seedless Larger than nonvascular seedless plants Examples include: ferns, club moss and horsetails Angiosperms Gymnosperms Cone-baring seeds Example – pine, cedar, spruce Flowering seeds 260,000 types Many foods and other items Seeds as part of a fruit Fruit grows from flowers
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Apple Tree Sunflower Lady Slipper Orchid Pumpkins
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Angiosperms Grow in a variety of habitats
Most food eaten by humans comes from angiosperms or animals that eat angiosperms. Other items such as clothing, medicine, building materials. Flowering plants
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Parts of a plant
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Parts of a plant flower leaf stem roots
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Parts of a plant Leaf flower major site of photosynthesis
Captures light energy and converts to chemical energy to provide food. stem roots
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Parts of a plant Stem flower leaf Connects the roots to the leaves
Supports branches and leaves Transports (moves) water, minerals and food. roots
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Parts of a plant Roots flower leaf stem Vital Anchors
Keeps plant upright Absorbs water Stores food (sugar) – ex: radishes, carrots, potatoes, etc. Absorbs minerals from the soil
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Parts of a plant Flower Attract insects to help the plant reproduce.
Part of the plant that has the reproductive organs leaf stem roots
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Parts of a plant Cuticle leaf
Waxy protective layer on leaves, stem and flowers Provides protection from insects Slows evaporation of water stem roots
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Anther Produces and carries pollen Stamen Male part of flower, produces pollen Filament Fine hair like stalk the anther sits on Petal Colorful part that attracts pollinators Parts of a Flower Stigma Sticky bulb that receives the pollen grains Sepal Protects the flower before it opens Style Long stalk that the stigma sits on Pistil The female part of the plant Ovule The part of the ovary that becomes the seed Ovary Has seeds inside
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Parts of a flower
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Photosynthesis A series of chemical reactions that convert light energy, water and carbon dioxide into the food-energy molecule glucose and give off oxygen. Occurs in the chloroplasts Chloroplasts contain the pigment chlorophyll, a chemical that absorbs and reflects light. Leaves appear green because the chlorophyll reflects green light and absorbs all the other colors of light.
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Photosynthesis 6CO₂ + 6H₂O C₆H₁₂O₆ + 6O₂ Light energy Chlorophyll
C=Carbon O=oxygen H=hydrogen CO₂ = carbon dioxide H₂O = water C₆H₁₂O₆ = sugar/glucose
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Cellular Respiration All organisms require energy (usable power) to survive. Energy is in the chemical bonds in food molecules. Cellular respiration is a series of chemical reactions that convert the energy in food molecules into a useable form of energy called ATP.
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Cellular Respiration ATP= (adenosine triphosphate)
ATP is the energy used for all cellular processes (everything the every cell does) Example: muscle contraction uses 2 million ATP molecules per second. Without ATP we would die.
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Cellular Respiration Cellular Respiration takes place in the mitochondrion of the cells in ALL living things. C₆H₁₂O₆ + 6O₂ CO₂ + 6H₂O + ATP (glucose) (energy)
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Model of Photosynthesis and Respiration
Cut and glue picture on right side under notes. Draw arrows on picture to match website address image for the direction of CO2, H2O and O2. Color carbon dioxide circles orange, oxygen red circles and water blue circles (on picture and legend)
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What are mangroves? Mangroves are various kinds of trees and shrubs that grow in saltwater habitats in the tropics and subtropics.
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Location of Mangroves around the world
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Mangroves
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Activity Cut out Mangrove article and paste on right side of notebook
Number paragraphs Circle at 4-6 vocabulary words per paragraph (pick one color) Read article, underline any important information (another color - no more than 8 words per underline)
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Create a “1 – Pager” On the left side of the INB (use different color for each) Make a boarder with all the vocabulary words you circled in the article In the top ¼ of the page - create a title Next ¼ draw a picture to represent what you read Pick most important vocabulary words and make a mini boarder around your picture. Choose the most important quote from the words that your underlined and rewrite it in the next ¼ In the last ¼ of the page, create 1 (or more) higher order thinking question based on the reading…and…. Answer the HOT question
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Share…. Take 3 sticky notes and write your name on them.
Visit 3 other notebooks and look at their 1-pager Leave your sticky notes on the pages you view
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