Biology 4

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Biology 4
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Biology 4

• Biophilia

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What is Life?
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Properties of Life
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Reproduction
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Order
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Growth and Development
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Use Energy
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Response to the Environment
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Homeostasis
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Evolutionary Adaptations
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Smallest Unit of Life

• Cell or Virus????

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Smallest Unit of Life The Cell

• Prokaryotic Cells
• DNA and Ribosomes
• No nucleus
• No membrane bound Organelles
• Eukaryotic Cells
• DNA and Ribosomes
• Nucleus
• Membrane bound Organelles

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Emergent Properties

• Novel properties emerge that are not present at
  the level below
• Reductionism

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Unity and Diversity
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Biology Hierarchy
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Biology Hierarchy

• Subatomic Particles
• Atoms
• Molecules
• Organelles
• Cells
• Tissues
• Organs
• Organ Systems

• Organisms
• Populations
• Communities
• Ecosystems
• Biomes
• Biosphere

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Biology Hierarchy

• K
• P
• C
• O
• F
• G
• S

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Biology Hierarchy

• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum
• Class
• Order
• Family
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class
• Order
• Family
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order
• Family
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order - Falconiformes
• Family
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order - Falconiformes
• Family - Accipitridae
• Genus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order - Falconiformes
• Family - Accipitridae
• Genus - Haliaeetus
• Species

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order - Falconiformes
• Family - Accipitridae
• Genus - Haliaeetus
• Species - leucocephalus

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Biology Hierarchy

• Kingdom - Animalia
• Phylum - Chordata
• Class - Aves
• Order - Falconiformes
• Family - Accipitridae
• Genus - Haliaeetus
• Species - leucocephalus

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Biology Hierarchy

• Domain
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

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Domains
Domain Archaea
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Domain Bacteria

• Prokaryotic
• Cell Walls - Peptidoglycan
• Most Bacteria

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Domain Archaea

• Prokaryotic
• Extreme Conditions
• Make DNA and Proteins like eukaryotic cells

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Domain Eukarya

• Eukaryotic Cells

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Kingdom Protista

• Usually Unicellular
• Some have Cell Walls of Cellulose

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Kingdom Fungi

• Multicellular
• Cell Walls of Chitin
• Decomposers

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Kingdom Plantae

• Multicellular
• Cell Walls of Cellulose
• Autotrophs

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Kingdom Animalia

• Multicellular
• No Cell Walls
• Heterotrophs

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What is Science?

• Science To Know
• Science is a process
• Scientific Method

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What is Science?

• Science To Know
• Science is a process
• Scientific Method

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Scientific Method

• Observation
• Senses / Lit search
• Hypothesis
• Testable and Repeatable
• Null hypothesis No significant difference
• Alternative hypothesis significant difference
• Experiment
• Sample Size 30
• Control, change one variable
• Threshold criterion (0.05)
• Analysis
• Quantitative (Statistical testing)
• Conclusion

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Are they the same?

• Hypothesis
• Theory
• Law

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Probability in Science

• Science eliminates possibilities

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Probability in Science

• Do the colors make
• them harder to see?
• Is there a benefit looking
• like a poisonous species?

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Probability in Science

• Science eliminates
• possibilities

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Probability in Science

• Science eliminates
• possibilities

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Evolution
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Evolution

• Change over time

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Why isnt Creationism taught in most science
Classes?
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Themes

• The Cell
• Heritable Info
• Emergent Properties
• Regulation
• Interaction with the Environment

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Themes

• Energy and Life
• Unity and Diversity
• Structure and Function
• Scientific Inquiry
• Science, Technology, and Society
• Evolution