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

Public domain Lego and Public domain Lego and Styrofoam images courtesy of Styrofoam images courtesy of

Wikimedia Commons. All Wikimedia Commons. All other images courtesy of other images courtesy of Microsoft Office Online.Microsoft Office Online.