Variations Biodiversity is often higher on islands – isolated for a long time greater variation Also higher near equator Galapagos Finches – Pg. 11 – Choose 5 species and describe their habitat based on their adaptations Eg. cocos island finch – maybe lava flat or dark forest, eats seeds Variation = survival!!! If all organisms were the same none would have any resistance to threats (predation, weather) Types of Variation Structural Adaptation – something an organism has Behavioral Adaptation – something an organism does
Which is more diverse?
Diversity Index Quantitative way of comparing diversity of an area. Eg.