Monday-Thursday September 8-11, 2014

SC.912.L.17.5 Analyze how population size is determined by births, deaths, immigration, emigration, and limiting factors (biotic and abiotic) that determine carrying capacity.

2-3 minutes Plant Preparation- Water, add soil if necessary, ready for transplant on Thursday 9/11

2-3 minutes Discussion Plant Cell ( Why are plants green?)Contrast and Compare to Animal Cells

LAB: Limiting Factors

Students previously read Chapter 5 at home prior to today’s Lab.

5 minutes  They will answer the following questions before conducting lab simulation.

  1. Identify some basic needs of animals.
  2. Define the concept of “Limiting factors” in your own words.

20 minutes Simulation Part A-I will model concept for lab.

Fill in Data Table information- Students will have access to the data table via blog.

5 minutes

  1. What were the limiting factors for population growth in this simulated ecosystem?Can these factors change over time?
  2. Ecologists have found that no organism can experience indefinite exponential growth, yet Homo sapiens have experienced exponential growth for hundreds of years.How have humans modified the limiting factors of our population growth?

Review what exponential growth is and Binomial Nomeclature

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