4.2 Evaluating Biodiversity & Vulnerability*

4.2.1 Identify factors that lead to loss of diversity.

4.2.2 Describe the vulnerability of tropical rainforests and their relative value in contributing to global biodiversity.

4.2.3 Discuss current estimates of numbers of species and past and present rates of species extinction.

4.2.4 Describe and explain the factors that may make species more or less prone to extinction.

4.2.5 Outline the factors used to determine a species’ Red List conservation status.

4.2.6 Describe the case histories of three different species: one that has become extinct, another that is critically endangered, and a third whose conservations status has been improved by intervention.

4.2.7 Describe the case history of a natural area of biological significance that is threatened by human activities.