ENV 1111 Lecture Notes - Ecosystem Diversity, River Ecosystem, Estuary

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The area may be considered as small as heap or as big as whole planet. Hence, biodiversity means the existence of a large number of different kinds of animals and plants which make a balanced environment is called as biodiversity. Biodiv ersity deals with a large variety of flora and fauna on this earth. Ex: a wide variety of plants and animals are finding in a part of forest. The plant life range from a small herb to a large tree and the animal life vary from a tiny insect to a large mammal in addition to micro-organisms (algae, bacteria and fungi). Biodiversity is usually considered at three different levels: Genetic diversity means the variation of genes within the species. Ex: in human species, genetic variation between an indian and african and genetic variations within a population. (ex: within the indian population) can be seen.

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