12/01/2011

Post date: Dec 01, 2011 2:18:42 AM

• • Bell Ringer (verbal): what things affect how many organisms can live in an area?

  • Populations and population growth

    • Growth rate

      • Write an equation that predicts the growth rate in terms of the birth rate and the death rate.

      • What could cause a high birth rate in an area? A low birth rate?

      • What could cause a high death rate in an area? A low death rate?

  • World population graph for humans

    • • Potential causes for jump: industrial revolution (1800's and 1900's), invention of antiseptic surgery (1865, Joseph Lister), discovery of penicillian (1928, Alexander Fleming)

    • Exponential growth activity - do 1-5 on this page

  • World birth and death clock

  • Exponential growth

    • ping pong ball and mouse trap demonstration http://www.youtube.com/watch?v=DjlEJNfsOKc

    • bacteria growth http://www.youtube.com/watch?v=gEwzDydciWc&feature=related