5.3+Populations

5. Ecology and evolution - 5.1 Communities and ecosystems - 5.2 The greenhouse effect - 5.3 Populations - 5.4 Evolution - 5.5 Classification - Ecology and Evolution Labs

// This topic is typically taught on the fieldtrip, but below you'll find the usual supporting resources //


 * Assessment statements ** (IBO notes added to some points to clearly indicate what needs to be understood and what does not)
 * 5.3.1 || Outline how population size is affected by natality, immigration, mortality and emigration. ||
 * 5.3.2 || Draw and label a graph showing a sigmoid (S-shaped) population growth curve. ||
 * 5.3.3 || Explain the reasons for the exponential growth phase, the plateau phase and the transitional phase between these two phases. ||
 * 5.3.4 || List three factors that set limits to population increase. ||

An alternative set of notes from [|i-Biology] can be found [|here]
 * Workbooks and Worksheets **

Steven Taylor ([|i-Biology]) has a great presentation to view and take notes from before starting your notebook media type="custom" key="24774706"
 * Presentations and tutorials **

Below are good, short video tutorials from [|click4biology] addressing the different assessment statements 5.3.1 media type="custom" key="24774708"

5.3.2 and 5.3.3 media type="custom" key="24774710"

5.3.4 media type="custom" key="24774716"

The crash course videos are entertaining. Apart from being useful they also provide a good context for what you are learning.
 * Useful extras**
 * The Texas mosquito mystery (it's about population growth)
 * Human population growth