11 THEMES OF AP BIOLOGY “Hooks” to hang info upon 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 1) Scientific Inquiry 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 2) Evolution 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 3) Energy Transfer 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 4) Unity and 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 5) Relationship of Structure to 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 6) Regulation 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 7) Interaction w/ the 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 8) Science, Technology, & 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 9) The Cell 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 10) Heritable Information 11 THEMES OF AP BIOLOGY (hooks to hang info upon) 11) Emergent Properties Hierarchy of Organization Hierarchy of Organization atom--> Hierarchy of Organization atom--> molecule--> Hierarchy of Organization atom--> molecule--> organelle --> Hierarchy of Organization atom--> molecule--> organelle --> cell--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> organ--> system--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> organ--> system--> organism--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> organ--> system--> organism--> population--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> organ--> system--> organism--> population--> Community--> Hierarchy of Organization atom--> molecule--> organelle --> cell--> tissue--> organ--> system--> organism--> population--> Community--> ECOSYSTEM ->BIOSPHERE Hierarchy of Organization emergent properties Each step up, emerg Each step up, novel properties emerge emergent Each step up, novel properties emerge that were not present emergent prop Each step up, novel properties emerge that were not present at the simpler level below. emergent properties Characteristics of Life: 1. Order- Basic Unit of Life: CELLS) History of cell discovery - Prokaryotic Eukaryotic - - characteristics: found in: characteristics: found in. Basic Unit of Life: CELLS (overhead) History of cell discovery -pg.4&6 Prokaryotic Eukaryotic - - characteristics: found in: characteristics: found in. Characteristics of Life: 1. Order2. Reproduction Capabilities- Characteristics of Life: 1. Order2. Ability to Reproduce- 3. Growth & Development- Continuity for ALL life = DNA •4 nucleotides•gene•same genetic code •different sequences differences among organisms = Characteristics of Life: 1. Order2. Ability to Reproduce- 3. Growth & Development (DNA)4. Energy Processing- Characteristics of Life: 1. Order2. Ability to Reproduce- 3. Growth & Development (DNA)4. Energy Utilization5. Response to Environment- Characteristics of Life: 1. Order2. Ability to Reproduce- 3. Growth & Development (DNA)4. Energy Utilization5. Response to Environment6. Evolutionary Adaptation- Characteristics of Life: 1. Order2. Ability to Reproduce3. Growth & Development (DNA)4. Energy Utilization- 5. Response to Environment6. Evolutionary Adaptation- 7. Regulation- Regulatory Mechanisms ensure balance in Life Regulatory Mechanisms Negative feedback- accumulation of product inhibits an enzyme in the production sequence of product QuickTime™ and a decompressor are needed to see this picture. Regulatory Mechanisms Positive feedback- accumulation of product enhances an enzyme increasing production of product. Platletes aggregate @ cut, chemicals Regulatory Mechanisms released by platletes attract MORE platletes QuickTime™ and a decompressor are needed to see this picture. EVOLUTION, UNITY, DIVERSITY EVOLUTION IS THE CORE THEME •Species change over time EVOLUTION IS THE CORE THEME •Species change over time •Populations have potential to produce more offspring than can be supported. EVOLUTION IS THE CORE THEME •Species change over time •Populations have potential to produce more offspring than can be supported. •Natural selection EVOLUTION IS THE CORE THEME Similar species share a common ancestor on phylogenic tree •All life connected and traced back to prokaryotes EVOLUTION, UNITY, DIVERSITY Diversity of all life TaxonomyUnity of all lifecell structure, DNA, metabolic pathways Scientific Processes 1. Asking a question John Endler Univ of Cal - why is there a significant difference in populations of guppies regarding average age and size @ sexual maturity? Scientific Processes 2. Hypothesis testable, tentative explanation for what we observe. Could it be the predator which preys predominately on the population? Scientific Processes 3. Prediction - if/then (If the hypothesis is true, then the results of the experiment will be…) IF, guppies from Pike-Cichlid pools are introduced to new pools th,at contain only killifish THEN, the average age and size at maturity will be heavierand older than nontransplanted individuals Scientific Processes 4. Testing the validity of the hypothesis Control Group - the group not moved Experimental Group - the group that was moved to the pool with only killifish, and no guppies Scientific Processes 5. Conclusion