Unformatted text preview: spiration – Cells releasing the chemical energy stored in foods 6O2 +C6H12O6 6CO2 + 6H2O
copyright cmassengale 23
23 Organisms Respond to Stimuli
Organisms Respond to stimuli
Organisms Respond stimuli
(Temperature, Water, Food
Supplies, etc.) In Order To Survive
& Reproduce
Reproduce copyright cmassengale 24
24 Homeostasis
Keeping The Internal Environment
Keeping
(Homeostasis) Of The Cell or Organism
(Homeostasis)
Within The Ranges Required For Life
Within
Stable internal conditions of pH,
Stable
temperature, water balance, etc .
temperature, copyright cmassengale 25
25 Living Things Evolve
Groups Of Organisms
(Not Individuals)
Change Over Time In
Order To Survive
Within Changing
Environments.
Environments.
Fossil records show
changes in groups of
organisms
organisms
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26 Life is Organized on Several Levels copyright cmassengale 27
27 Levels
Atoms
Molecules
Organelles
Cells – life starts here
Tissues
Organs
System
Organism
copyright cmassengale 28
28 Levels
Population
Community
Ecosystem
Biosphere copyright cmassengale 29
29 copyright cmassengale 30
30 copyright cmassengale 31
31...
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- Winter '11
- Harmon
- Plants, Bacteria, DNA, Fungi, copyright cmassengale, Groups Of Organisms
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