Introduction

• Three main functional character of biodiversity includes:

a) Genetic biodiversity

b) Species biodiversity:

c) Ecosystem biodiversity:

a) Genetic Biodiversity:

• Refers to variation of genes and or genomes within living organism.
• If a species is to survive, it needs some genetic diversity.

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b) Species biodiversity:

• Species refers to a population of organism whose members are able to interbred freely under natural conditions.
• Species diversity is used to describe the frequency and variety of species in the globe.

c) Ecosystem biodiversity:

• Refers to the variety of habitats, biotic communities and their change in composition and structure over time and ecological processes in the biosphere.