Significant ideas:
Climate determines the type of biome in a given area, although individual ecosystems may vary due to many local abiotic and biotic factors.
Succession leads to climax communities that may vary due to random events and interactions over time. This leads to a pattern of alternative stable states for a given ecosystem.
Ecosystem stability, succession and biodiversity are intrinsically linked.
Biomes are collections of ecosystems sharing similar climatic conditions that can be grouped into five major classes: aquatic, forest, grassland, desert and tundra. Each of these classes has characteristic limiting factors, productivity and biodiversity.
Insolation, precipitation and temperature are the main factors governing the distribution of biomes.
Climate change is altering the distribution of biomes and causing biome shifts.
Documentary Task
You will make a documentary about everything you have learned in topic two. There is a competition to this - you score points in the following way:
1 point per keyword
2 points per example
3 points per concept
-1 for a boring minute
-2 for an opinion without evidence
-3 for a significant error