3.2+Interactions+and+Changes+Occur+in+Ecosystems


 * 3.1 - 3.3 Inquiry Sheets:**


 * Bioinvasion:**

media type="youtube" key="H1gXT-zGu0c" height="315" width="420"


 * competition between living things:**

you need to scroll over the blank spots to see them in this website: [| http://www.biotopics.co.uk/newgcse/Competition.html]

[]


 * Predation:**

[]

[]


 * Weather affects ecosystems:**

Environment Canada says..[]

[]

[]

Figure 3.6 - Predator Prey Graph:



Another predator-prey graph:



Indicator Species:

media type="youtube" key="3iI65NVkA9w" height="315" width="420"

media type="youtube" key="xRfdDE6scWA" height="315" width="560"