Unicellular vs Multicellular Organisms Unicellular vs Multicellular Organisms
- Slides: 30
Unicellular vs. Multicellular Organisms
Unicellular vs. Multicellular Organisms
What is an “organism”?
Organism: • An organism is something that is living.
Cells: • A cell is the smallest unit of life that is classified as a living thing. http: //vimeo. com/37107992
Do all living things have the same amount of cells?
Structure Unicellular Organism • Body is made up of a single cell Multicellular Organism • Body is made up of numerous cells
All organisms perform the following LIFE FUNCTIONS: 1. growth 2. movement 3. reproduction (make more of themselves) 4. respiration (breathing/gas exchange) 5. nutrition (finding food for energy) 6. excretion (getting rid of wastes)
Specialization Unicellular Organism • A single cell carries out all the life processes Multicellular Organism • Different cells are specialized to perform different functions
Exposure to Environment Unicellular Organism • The cell is exposed to the external environment on all sides Multicellular Organism • Only outer cells are specialized to face the environment. Inner cells are devoted to other functions
Injury Unicellular Organism • An injury of the cells can cause death of the organism Multicellular Organism • Injury or death of some cells does not affect the organisms as the same can be replaced by new one
Size Limitation Unicellular Organism • A cell body cannot attain a large size because of the limit imposed by surface area to volume ratio Multicellular Organism • A multicellular body can attain a large size by increasing the number of small cells
Lifespan Unicellular Organism • Lifespan is short due to heavy load of work Multicellular Organism • Lifespan is long due to limited load of work for each cell type
Regeneration Unicellular Organism • A well-marked capacity of regeneration is present Multicellular Organism • The capacity of regeneration decreases with increasing specialization (more special = less easy to regenerate)
What is an “organism”?
Organism: • An organism is something that is living.
Cells: • A cell is the smallest unit of life that is classified as a living thing. http: //vimeo. com/37107992
Do all living things have the same amount of cells?
Structure Unicellular Organism • Body is made up of a single cell Multicellular Organism • Body is made up of numerous cells
All organisms perform the following LIFE FUNCTIONS: 1. growth 2. movement 3. reproduction (make more of themselves) 4. respiration (breathing/gas exchange) 5. nutrition (finding food for energy) 6. excretion (getting rid of wastes)
Specialization Unicellular Organism • A single cell carries out all the life processes Multicellular Organism • Different cells are specialized to perform different functions
Exposure to Environment Unicellular Organism • The cell is exposed to the external environment on all sides Multicellular Organism • Only outer cells are specialized to face the environment. Inner cells are devoted to other functions
Injury Unicellular Organism • An injury of the cells can cause death of the organism Multicellular Organism • Injury or death of some cells does not affect the organisms as the same can be replaced by new one
Size Limitation Unicellular Organism • A cell body cannot attain a large size because of the limit imposed by surface area to volume ratio Multicellular Organism • A multicellular body can attain a large size by increasing the number of small cells
Lifespan Unicellular Organism • Lifespan is short due to heavy load of work Multicellular Organism • Lifespan is long due to limited load of work for each cell type
Regeneration Unicellular Organism • A well-marked capacity of regeneration is present Multicellular Organism • The capacity of regeneration decreases with increasing specialization (more special = less easy to regenerate)
- Unicellular organisms and multicellular organisms
- Unicellular and multicellular organisms venn diagram
- Multicellular organisms pictures
- Single celled life form
- How are unicellular and multicellular organisms alike
- Multicellular organisms simple definition
- Unicellular and multicellular organisms
- Images of multicellular organisms
- Kingdom fungi multicellular or unicellular
- Escherichia coli unicellular or multicellular
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- What is the definition of cell specialization
- Features of animalia
- Diatoms unicellular or multicellular
- Kingdom protista multicellular unicellular
- Verzeala zidurilor
- Thermoacidophiles habitat
- Characteristics of phaeophyta
- Protists unicellular or multicellular
- Is a starfish unicellular or multicellular
- Miosis
- Characteristics of protists
- Platyhelminthes multicellular or unicellular
- Are euglena unicellular or multicellular
- Prokaryote unicellular
- Unicellular vs multicellular activity
- Is a venus fly trap prokaryotic or eukaryotic
- Is pollen unicellular or multicellular
- Is e coli unicellular or multicellular
- Mycology test
- Distinguishing characteristics of plantae