Introduction to SBI4U
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Transcript of Introduction to SBI4U
![Page 1: Introduction to SBI4U](https://reader036.fdocuments.net/reader036/viewer/2022081720/559c45211a28ab8a218b4596/html5/thumbnails/1.jpg)
Units of StudyHierarchy of OrganizationProperties of Living Organisms
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Biochemistry Metabolic Processes Molecular Genetics Homeostasis Population Dynamics
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Major subtopics: Cell biology Macromolecules Enzymes Membrane biology
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Major subtopics: Thermodynamics Cellular respiration Photosynthesis
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Major subtopics: DNA replication Transcription Translation Biotechnology
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Major subtopics: Endocrine system Excretory system Nervous system
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Major subtopics: Interaction Population Energy transfer
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Biological organization is built on 12 levels Each level builds on the one below it
Activity: Brainstorm in your group the 12 levels of biological organization
Hint: one of the levels is the cell
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Ecosystem
Community
Population
Organism
Organ system
Organ
Tissue
Cell
Organelle
Molecule
Atom
Subatomic
Atom
Subatomic
Molecule
Organelle
Cell
Tissue
Organ
Organ system
Organism
Ecosystem
Community
Population
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Ecosystem
Community
Population
Organism
Organ system
Organ
Tissue
Cell
Organelle
Molecule
Atom
Subatomic
Population Dynamics
Biochemistry,
Molecular Genetics
Endocrine, Nervous,
Excretory Systems
Incre
asin
g C
om
ple
xity
Metabolic Processes
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Growth & Development Metabolism Reproduction Homeostasis Response to Environment Evolutionary Adaptation Order
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DNA direct the pattern of growth and development
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Organisms take in energy and transform it to do work
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Organisms reproduce their own kind Life comes from life
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Ability to maintain an organism’s internal environment even though the external environment may fluctuate
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An individual’s ability to change as a response to environmental stimuli
This differs from evolution in which a species changes over a long period of time
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Life evolves as a result of the interaction between organisms and their environment
Consequence of evolution is adaptation of the organism to their environment
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All other characteristics of life emerge from an organism’s highly ordered structure