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6 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A. Three Basic Themes
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1. evolution
2.information transfer 3. energy for life |
a. populations change over time
b. DNA / Genetics c. from sun to earth |
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B. Characters of Life
(1) Organisms are composed of cells |
a. unicellular vs multicellular
b. cell structure(plasma, DNA) c. prokaryotic vs eukaryotic |
a. ex: algie, bacteria
b. have a lot in common ex: DNA c. prokaryotic>no membrane d. eukaryotic> membrane karyot = nucleaus |
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(2) Organisms grow and develop
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a. biological growth
b. development |
a. increase of cells
b. changes that take place in organism ex: baby to adult |
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(3) Organisms regulate their metabolic processes
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a. metabolism
b. homeostasis |
a. all chemical activities of organism
b. homeostatic mechanisms regulate & balance the internal enviroment |
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(4) Organisms respond to stimuli (exhibit irritability-ability to respond to a stimulus)
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a. stimuli
b. taxis vs tropism c. movement d. sessile |
a. -physical or chemical changes in internal or external enviroment
-cause the organism to respond b. taxis - animal like responses(bugs move toward light) |
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(4)>>>>>>
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>>>>>>
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b. tropism - plant like response (plant in window moves toward light)
c. cyclosis (cytoplasmic movement) movement in cell d. attaches to something |
