Galapagos IslandsGalapagos Islands

Galapagos IslandsGalapagos Islands

http://www.cruisesingalapagos.com/wildlife-reptiles2.htm

http://www.cruisesingalapagos.com/pictures-plants.htm

http://www.cruisesingalapagos.com/wildlife-reptiles4.htm

Ecological SuccessionEcological Succession

• process in which communities of plants and animal species in a particular area are replaced over time by a series of different and often more complex communities.

• Two stages– Primary succession– Secondary succession

Primary SuccessionPrimary Succession

succession in a bare area (no mature soil) that has never been occupied before

Secondary SuccessionSecondary Succession

succession in an area in which natural vegetation has been removed or destroyed but the soil remains

Ecological SuccessionEcological Succession

Darwin and the GalapagosDarwin and the Galapagos

When your group finishes answering the questions for When your group finishes answering the questions for In Depth Investigation #1, discuss the following:In Depth Investigation #1, discuss the following:

1. How did the Galapagos Islands get there?2. How did the first plants get there?3. How did the first animals get there?4. What is ecological succession?