foothill high school science department chapter 7 cell structure & function section 7-4 the...
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Chapter 7Cell Structure & Function
Section 7-4Section 7-4
The Diversity of Cellular LifeThe Diversity of Cellular Life
FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Unicellular Organisms
• Cells Are:Cells Are:– The Basic Living Units Of All OrganismsThe Basic Living Units Of All Organisms
• Unicellular OrganismsUnicellular Organisms– GrowGrow
– RespondRespond
– ReproduceReproduce
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Unicellular Organisms
• ProkaryotesProkaryotes• Live EverywhereLive Everywhere
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Unicellular Organisms
• EukaryotesEukaryotes–Many live their entire lives as Many live their entire lives as
single cellssingle cells
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Unicellular Organisms
• EukaryotesEukaryotes• Some protists and algae are Some protists and algae are
unicellular but live in coloniesunicellular but live in colonies
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Multicellular Organisms
Key ConceptKey Concept::Cells In Multicellular Organisms Cells In Multicellular Organisms
Are Specialized To Perform Are Specialized To Perform Particular Functions Within The Particular Functions Within The OrganismOrganism
Cell SpecializationCell Specialization
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Red Blood Cells
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Pancreatic Cell
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Nerve Cells
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Muscle Cells
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Levels of Organization
Key ConceptKey Concept::The Levels Of Organization In A The Levels Of Organization In A
Multicellular Organism Are:Multicellular Organism Are:Individual CellsIndividual CellsTissuesTissuesOrgansOrgansOrgan SystemsOrgan Systems
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Cells
SpecializationSpecialization
AndAnd
InterdependenceInterdependence
Make Multicellular Organisms Make Multicellular Organisms WorkWork
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Tissues
• Group Of Similar Cells That Group Of Similar Cells That Perform A Particular FunctionPerform A Particular Function
• Four Main Types:Four Main Types:– MuscleMuscle
– EpithelialEpithelial
– NervousNervous
– ConnectiveConnective
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Organs
• Many Groups Of Tissues Working Many Groups Of Tissues Working TogetherTogether
• Muscle Tissue Contains:Muscle Tissue Contains:
– Muscle CellsMuscle Cells
– Nerve CellsNerve Cells
– Connective Tissue CellsConnective Tissue Cells
– Blood SupplyBlood Supply
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Organ Systems
A Group Of Organs Working Together To A Group Of Organs Working Together To Perform A Specific FunctionPerform A Specific Function
FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Organ Systems
• NervousNervous
• SkeletalSkeletal
• MuscleMuscle
• IntegumentaryIntegumentary
• CirculatoryCirculatory
• RespiratoryRespiratory
• DigestiveDigestive
• ExcretoryExcretory
• EndocrineEndocrine
• ReproductiveReproductive
• ImmuneImmune