Organismal Biology
Georgia Tech Biological Sciences
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  • Biodiversity
    • Phylogenetic Trees and Geologic Time
    • Prokaryotes: Bacteria & Archaea
    • Eukaryotes and their Origins
    • Land Plants
    • Fungi
    • Animals: Invertebrates
    • Animals: Vertebrates
    • The Tree of Life over Geologic Time
    • Mass Extinctions and Climate Variability
  • Growth and Reproduction
    • Multicellularity, Development, and Reproduction
    • Animal Reproductive Strategies
    • Animal Reproductive Structures and Functions
    • Animal Development I: Fertilization & Cleavage
    • Animal Development II: Gastrulation & Organogenesis
    • Plant Reproduction
    • Plant Development I: Tissue differentiation and function
    • Plant Development II: Primary and Secondary Growth
  • Chemical and Electrical Signals
    • Intro to Chemical Signaling and Communication by Microbes
    • Animal Hormones
    • Plant Hormones and Sensory Systems
    • Neurons
    • Nervous Systems
    • Animal Sensory Systems
    • Motor proteins and muscles
    • Motor units and skeletal systems
  • Nutrition, Transport, and Homeostasis
    • Nutrition: What Plants and Animals Need to Survive
    • Nutrient Acquisition by Plants
    • Water Transport in Plants: Xylem
    • Sugar Transport in Plants: Phloem
    • Nutrient Acquisition by Animals
    • Animal Gas Exchange and Transport
    • Animal Circulatory Systems
    • The Mammalian Cardiac Cycle
    • Animal Ion and Water Regulation (and Nitrogen Excretion)
    • The Mammalian Kidney: How Nephrons Perform Osmoregulation
    • Plant and Animal Responses to the Environment

Chemical and Electrical Signals

Topics in this module include:

Intro to chemical signaling and signal transduction and quorum sensing in microbes

Plant hormones and sensory systems

Animal hormones

Neurons

Nervous systems

Animal sensory systems

Motor proteins and muscles

Motor units and skeletal systems

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    Content of Introduction to Organismal Biology at https://sites.gatech.edu/organismalbio/ is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
  • Vannevar Bush

    “Science has a simple faith, which transcends utility. It is the faith that it is the privilege of man to learn to understand, and that this is his mission.”

  • Creative Commons License

    Creative Commons License
    Content of Introduction to Organismal Biology at https://sites.gatech.edu/organismalbio/ is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Organismal Biology
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