5 5 Multicellular Life Multicellular organisms Living things

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5. 5 Multicellular Life Multicellular organisms: • • Living things made of more than

5. 5 Multicellular Life Multicellular organisms: • • Living things made of more than one cell ALL animals and land plants are multicellular Multicellularity has evolved at least 25 times first appeared several billion years ago in cyanobacteria

5. 5 Multicellular Life Organization (large to small) 1. Organism- A living thing -ex.

5. 5 Multicellular Life Organization (large to small) 1. Organism- A living thing -ex. human

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System- organs

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System- organs that work together to do a job -ex: circulatory system

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3.

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3. Organ- tissues that work together to do a job -ex: stomach

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. Organism Organ

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. Organism Organ System Organ Tissue- Similar cells that work together to do a job -ex: digestive tissue

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. Organism

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. Organism Organ System Organ Tissue Cell- smallest unit of life Ex- brain cell

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6.

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6. Organism Organ System Organ Tissue Cell Organelle- part of a cell with a specific job -ex: mitochondria

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6.

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6. 7. Organism Organ System Organ Tissue Cell Organelle Molecule- 2+ atoms held together by bonds Ex- water

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6.

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6. 7. 8. Organism Organ System Organ Tissue Cell Organelle Molecule Atom- basic unit of matter -ex: carbon

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6.

5. 5 Multicellular Life Organization (large to small) 1. 2. 3. 4. 5. 6. 7. 8. 9. Organism Organ System Organ Tissue Cell Organelle Molecule Atom Subatomic particles- piece of matter smaller than atoms -ex: proton

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3.

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3. Organ 4. Tissue 5. Cell 6. Organelle 7. Molecule 8. Atom 9. Subatomic particles 10. Energy- the ability to move things

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3.

5. 5 Multicellular Life Organization (large to small) 1. Organism 2. Organ System 3. Organ 4. Tissue 5. Cell 6. Organelle 7. Molecule 8. Atom 9. Subatomic particles 10. Energy- the ability to move things

5. 5 Multicellular Life • Cellular differentiation – Multicellular organisms develop specialized cells -

5. 5 Multicellular Life • Cellular differentiation – Multicellular organisms develop specialized cells - Ex: brain cells, muscle cells, skin cells…

5. 5 Multicellular Life • Stem Cells – Undifferentiated cells that can differentiate

5. 5 Multicellular Life • Stem Cells – Undifferentiated cells that can differentiate

Habitats Living organisms Living organisms Humans Living organismsHabitats Living organisms Living organisms Humans Living organisms
Living Things Organisms Organisms are all living thingsLiving Things Organisms Organisms are all living things
Unicellular vs Multicellular Organisms Unicellular vs Multicellular OrganismsUnicellular vs Multicellular Organisms Unicellular vs Multicellular Organisms
Multicellular Organisms Multicellular Organisms made up of manyMulticellular Organisms Multicellular Organisms made up of many
Cell Communication Multicellular Organisms Many multicellular organisms haveCell Communication Multicellular Organisms Many multicellular organisms have
Levels of Cellular Organization Multicellular Organisms Multicellular OrganismsLevels of Cellular Organization Multicellular Organisms Multicellular Organisms
Multicellular Organisms Multicellular Organisms made of more thanMulticellular Organisms Multicellular Organisms made of more than
Types of Organisms Unicellular Organisms vs Multicellular OrganismsTypes of Organisms Unicellular Organisms vs Multicellular Organisms
Types of Organisms Unicellular Organisms vs Multicellular OrganismsTypes of Organisms Unicellular Organisms vs Multicellular Organisms
Types of Organisms Unicellular Organisms vs Multicellular OrganismsTypes of Organisms Unicellular Organisms vs Multicellular Organisms
Living Things Cells Living Things Life Cycles LivingLiving Things Cells Living Things Life Cycles Living
Unicellular VS Multicellular Life Unicellular onecelled organisms MulticellularUnicellular VS Multicellular Life Unicellular onecelled organisms Multicellular
Living Things Characteristics of Living Things 1 OrganismsLiving Things Characteristics of Living Things 1 Organisms