Tag: environment

  • Deer: Predation or Starvation?

    Deer: Predation or Starvation?

     This activity asks students to calculate the population change (births – deaths) and then graph the number of deer and the number of wolves. 

  • Case Study – Are Invading Bullfrogs Harmful?

    Case Study – Are Invading Bullfrogs Harmful?

    Students follow a story about an ecologist and a student who are studying the population size of bullfrogs in California.   These amphibians are considered an invasive species in that area and have been causing the decline of native species.   Students learn concepts related to community interactions and learn one species can cause the decline…