The Science of Biology The study of living things.
The Science of Biology
The study of living things.
Properties (or Characteristics) of Life:
1. Cellular organization 2. Order 3. Sensitivity 4. Growth, development, and reproduction. 5. Energy utilization. 6. Evolutionary adaptation 7. Homeostasis
Hierarchical Organization of the Biological World:
1. Cellular Level 2. Organismal Level 3. Populational Level
Know Page 3
Fig. 1.2a(TE Art)
CELLULAR LEVEL
Atoms
Molecule
Macromolecule
Organelle
Cell
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Fig. 1.2a1(TE Art)
Atoms
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Fig. 1.2a2(TE Art)
Molecule
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Macromolecule
Fig. 1.2a3(TE Art)
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Fig. 1.2a4
Fig. 1.2a5
ORGANISMAL LEVEL
Tissue
Organ
Organ system
Organism
Fig. 1.2b(TE Art)
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Fig. 1.2b1
Fig. 1.2b2(TE Art)
Organ
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Organ system
Fig. 1.2b3(TE Art)
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Fig. 1.2b4
Fig. 1.2c
Fig. 1.2c1
Fig. 1.2c2
Fig. 1.2c3
Fig. 1.2c4
Emergent Properties At each higher level in the living hierarchy,
novel properties emerge. They result from the way in which components interact, and often cannot be guessed just by looking at the parts themselves
Example: one fish cell tells you very little about the whole fish