Chapter 1 – Chapter 1 – Structure of Living Structure of Living
ThingsThingsLesson 1 – Cells Lesson 1 – Cells
© Brent Coley 2009 | www.mrcoley.com© Brent Coley 2009 | www.mrcoley.com
What are plants and What are plants and animals made of?animals made of?
• All living things are made of All living things are made of cells.cells.
• CellsCells are the building blocks are the building blocks of all living things.of all living things.
What are plants and What are plants and animals made of?animals made of?
• There are two different There are two different kinds of cells:kinds of cells:
• Plant cellsPlant cells
• Animal cellsAnimal cells
How Can CellsHow Can CellsBe Seen?Be Seen?
• Cells are very, very small.Cells are very, very small.
• A microscope must be used A microscope must be used toto look at cells. look at cells.
Parts (Organelles) of anParts (Organelles) of anAnimal CellAnimal Cell
• NucleusNucleus: controls what : controls what happenshappens in the cell in the cell
AKA: Control centerAKA: Control center
• CytoplasmCytoplasm: gel-like material: gel-like material that holds everything that holds everything togethertogether
AKA: Packing materialAKA: Packing material
Parts (Organelles) of anParts (Organelles) of anAnimal CellAnimal Cell
• vacuolevacuole: stores food, water, : stores food, water, andand wastes wastes
AKA: Storage binAKA: Storage bin
• mitochondrionmitochondrion: breaks down: breaks down food and turns it into energy food and turns it into energy
AKA: Power plantAKA: Power plant
Parts (Organelles) of anParts (Organelles) of anAnimal CellAnimal Cell
• cell membranecell membrane: thin layer : thin layer around the outside of the around the outside of the cellcell
AKA: The fenceAKA: The fence
Parts (Organelles) of aParts (Organelles) of aPlant CellPlant Cell
• Plant cells have the same Plant cells have the same partsparts as animal cells as animal cells plus twoplus two additional partsadditional parts..
• The vacuole in a plant cell The vacuole in a plant cell has ahas a slightly different job. slightly different job.
Parts (Organelles) of aParts (Organelles) of aPlant CellPlant Cell
• vacuolevacuole: stores water and : stores water and givesgives shape to the cell shape to the cell
AKA: Shape keeperAKA: Shape keeper
• chloroplastchloroplast: turns energy : turns energy fromfrom sunlight into food sunlight into food
AKA: Food factoryAKA: Food factory
Parts (Organelles) of aParts (Organelles) of aPlant CellPlant Cell
• cell wallcell wall: hard outer layer : hard outer layer thatthat protects the cell and protects the cell and providesprovides support support
AKA: The wallAKA: The wall