Question

In: Biology

How does knowledge of historic climatic patterns affect our interpretation of present-day patterns of species diversity?

How does knowledge of historic climatic patterns affect our interpretation of present-day patterns of species diversity?

Solutions

Expert Solution

Species respond in very different ways to climatic changes. Variation in the distribution and abundance of species will lead to inevitable changes in the relative abundance of species and their interactions. These changes will flow on to affect the structure and function of ecosystems.
Tropical region have been limited by the increased differentiation between the poles and equator.Species diversity increase towards equator, take Tropical rainforest which house two thirds of the world's species.Tropical regions harbor greater biodiversity because they are especially fertile grounds for the formation of new species or biodiversity hotspots are less likely to lose the species they already have.
While the number of bird and mammal species increases closer to the equator, the number of genetically distinct groups within each species is greater in the harsher environments typical of higher latitudes.


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