Chapter 1 – Chapter 1 – Structure of Living Structure of Living

ThingsThingsLesson 2 – From Lesson 2 – From Cells to OrganismsCells to Organisms

© Brent Coley 2009 | www.mrcoley.com© Brent Coley 2009 | www.mrcoley.com

How are living things How are living things organized?organized?

• An individual living thing isAn individual living thing is called an called an organismorganism..

• Organisms carry out lifeOrganisms carry out life processes (growth, response processes (growth, response nutrition, etc.). nutrition, etc.).

How are living things How are living things organized?organized?

• Two kinds of organisms:Two kinds of organisms:• One-celledOne-celled

((unicellularunicellular))

• Many-celledMany-celled((multicellularmulticellular))

How do cellsHow do cellswork together?work together?

• A group of similar cells that A group of similar cells that dodo the same job is called a the same job is called a tissuetissue..

NervesNerves

BloodBlood MusclesMuscles

BoneBone

What are some plant and What are some plant and animal organ systems?animal organ systems?

• Different tissues workingDifferent tissues working together form an together form an organorgan..

BrainBrain

HeartHeart

LungsLungs

Plant Plant stemsstems

What are some plant and What are some plant and animal organ systems?animal organ systems?

• A group of different organsA group of different organs working together to do a working together to do a certain job is an certain job is an organ organ systemsystem..

SkeletaSkeletal l SystemSystem

Root Root SystemSystem

Summary &Summary &ExampleExample

SummarySummaryCellsCells

TissuesTissues

OrgansOrgans

Organ Organ SystemsSystems

ExampleExampleBone CellsBone Cells

Bone TissueBone Tissue

RibsRibs

Skeletal Skeletal SystemSystem

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

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