What is Biology?
Define “Life or Living”?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive?
Alive or Not Alive? COMA
Life Functions Nutrition Ingestion (Purpose?) Digestion (Purpose?) Egestion (Purpose?)
Nutrition ? How do plants get their Nutrients?
Nutrition Autotrophs vs. Heterotrophs
Life Functions What happens to it after the stomach?
Life Functions 2. Transport Digestive products absorbed into cells Digestive products circulate within cells Digestive products enter circulatory system
Life Functions What do body cells do with these transported nutrients?
Life Functions 3. Respiration =Release chemical energy in nutrients to power up our life functions
Aerobic vs. Anaerobic Respiration
Aerobic vs. Anaerobic Respiration
Anaerobic Respiration
Cyanobacteria
Life Functions 4. Growth Growth in cell size and/or cell number
Why don’t we grow indefinitely. Why do we deteriorate with time Why don’t we grow indefinitely? Why do we deteriorate with time? Why do we die?
Life Functions 5. Synthesis and Assimilation Synthesis Assimilation
Life Functions 6. Regulation Reproduction Respiration Excretion Nutrition
X Life Functions 7. Excretion =Waste from chemical reactions! NOT Doody! (ie. Undigested food waste) X
Examples of Excretion
Examples of Excretion
Examples of Excretion
Life Functions 8. Reproduction Definition? OPTIONAL for individual but NOT for continuance species
Words to Remember Homeostasis Metabolism