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Natural Selection. Team Awesome Humble Nohemi , Tommy, Madison , Eric, Anna, and Marissa. Natural Selection Survival of the Fittest.

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Presentation Transcript
natural selection

Natural Selection

Team Awesome Humble

Nohemi, Tommy, Madison, Eric, Anna, and Marissa

natural selection survival of the fittest
Natural SelectionSurvival of the Fittest
  • Standard 7.d: Students know variation within a species increases the likelihood that at least some members of a species will survive under changed environmental conditions.

Students should be able to:

  • Predict how differing genetic traits will increase probability of survival in a given environment.
  • Develop a hypothesis explaining how alterations to the environment gave dark forms of peppered moths advantages over pale forms during the Industrial Revolution.

Learning Goal

Learning Outcomes

who s hungry engagement activity
Who’s Hungry?Engagement Activity
  • Break into teams of two
  • Each team should have: 2 predatory spoons, 1 black tree, 1 white tree, white moths, black moths
  • Put all moths on the white background.
  • You and your partner have 30 seconds to eat (use spoon) as many moths as you can (you may only eat one moth at a time).
  • NOTE – you want to eat as many moths as possible in order to survive.
discussion questions
Discussion Questions
  • What did you guys notice during this activity?
    • What happened on the white background?
    • What happened on the black background?
  • Which color moth survived better in each environment?
  • These moths were each the same species, what caused the color difference?
    • Genetic variation
    • Mutation
  • Which genes were passed with greater frequency when the trees were white? When the trees were black?
one minute essay
One-Minute Essay

Predict what happened to the moths when the pollution decreased?

connections to the world
Connections to the World

Dead Leaf Mantis

Pygmy Sea Horse

some considerations
Some Considerations…
  • Diversity
    • Learning styles  visual, auditory, kinesthetic
    • Video  what about colorblind students?
    • Consider pairing males and females together
  • Assessment
    • Discussion after engagement activity
    • One-minute essay
    • Mimicry connection
  • Alignment