1. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Chapter 7 Cell Structure & Function Section 7-4 The Diversity of Cellular Life

2. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Unicellular Organisms Cells Are:Cells Are: –The Basic Living Units Of All Organisms Unicellular OrganismsUnicellular Organisms –Grow –Respond –Reproduce

3. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Unicellular Organisms ProkaryotesProkaryotes Live EverywhereLive Everywhere

4. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Unicellular Organisms EukaryotesEukaryotes –Many live their entire lives as single cells

5. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Unicellular Organisms EukaryotesEukaryotes Some protists and algae are unicellular but live in coloniesSome protists and algae are unicellular but live in colonies

6. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Multicellular Organisms Key Concept: Cells In Multicellular Organisms Are Specialized To Perform Particular Functions Within The Organism Cell Specialization

7. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Red Blood Cells

8. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Pancreatic Cell

9. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Nerve Cells

10. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Muscle Cells

11. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Levels of Organization Key Concept: The Levels Of Organization In A Multicellular Organism Are: Individual Cells TissuesOrgans Organ Systems

12. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Cells SpecializationAndInterdependence Make Multicellular Organisms Work

13. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Tissues Group Of Similar Cells That Perform A Particular FunctionGroup Of Similar Cells That Perform A Particular Function Four Main Types:Four Main Types: –Muscle –Epithelial –Nervous –Connective

14. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Organs Many Groups Of Tissues Working TogetherMany Groups Of Tissues Working Together Muscle Tissue Contains:Muscle Tissue Contains: –Muscle Cells –Nerve Cells –Connective Tissue Cells –Blood Supply

15. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Organ Systems A Group Of Organs Working Together To Perform A Specific Function

16. FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Organ Systems NervousNervous SkeletalSkeletal MuscleMuscle IntegumentaryIntegumentary CirculatoryCirculatory RespiratoryRespiratory DigestiveDigestive ExcretoryExcretory EndocrineEndocrine ReproductiveReproductive ImmuneImmune