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BIOLOGY II

Mrs. Pam Miller's Outline for Developmental Biology Unit of Biology II,
Seaside High School, CA

PRIOR UNITS:

DEVELOPMENTAL BIOLOGY / SEA URCHIN LABS:

  • Background Reading - "Reproduction & Development", Nature of Life
  • Film - Developmental Biology
  • Video Segment - "Reproduction in the Rocky Shore", from Monterey Bay Aquarium video
  • Student Brainstorming Questions - "What do you want to know about developmental biology?"
  • Introduction to the Stages of Development:
    Brief lecture/illustrations on overhead projector
    Prepared slides of urchin, frog, & chicken development
    ----unfertilized eggs
    ----early cleavage
    ----blastula
    ----gastrula
    ----pluteus of urchin
    ----in frog & chicken - neurula
  • Laserdisk Views of Urchin, Frog Development
    Stills & videos
  • Laboratory Activities
    Fertilization of sea urchin eggs
    Review lab procedures & assign responsibilities
    Inject urchins, harvest egg & sperm
    View eggs & sperm as a class using video microscope
    Individual viewing of eggs, sperm & fertilization
    Collect fertilized eggs, aerate & view throughout next week, recording & drawing stages to document
  • Experiments - variables in development
  • Film - The Search for the Organizer, experiments of Spemann, Gurdon
  • Medaka Egg Development
    The seasons, length of day, and reproduction cycles
    Stage of development
    Variable in development

In Vitro Fertilization of Frog Eggs
Review lab procedures & assign responsibilities
Inject frogs, dissect male frogs, prepare sperm suspension
Harvest eggs
View eggs & sperm as a class using video microscope
Individual viewing of eggs, sperm and fertilization
Collect fert. eggs, aerate & view throughout next week, recording & drawing stages to document.
Variables & experimentation

  • David Epel's Articles - present as partners
  • Classic Article Gurdon - "Transplanted Nuclei and Cell Differentiation"
    Video - reading & analysis questions
  • Human Development
    Male/female hormones & development - biofeedback
    Film - Hormones
    Oogenesis & spermatogenesis
    Slide program - Human Conception & Early Embryology
    3 germ layers & development
    Stages of human development and birth
    Film - Miracle of Life
    The placenta & its function
  • Fetal Circulation & Changes in the Heart at Birth
  • Steroids
  • Lab - dog/cat uterus & fetal development, visiting veterinarian
  • Analysis of Fetal Health
  • In Vitro Fertilization & Ethical Issues
  • Article - "Sons & Daughters", jigsaw presentations & discussion
  • Metamorphosis
  • Control of Development - recent research, jigsaw articles, Internet abstracts
  • Aging & Death

PLANTS

  • Asexual Development
  • Sexual Development Flower Lab
  • Algae Lab

MONTEREY BAY AQUARIUM FIELD TRIP