Biodiversity is also the relationships between these lifeforms and their habitat. Diversity in different ecosystems like deserts, rainforests, mangroves, etc., include ecological diversity. The term can apply to a small portion of a particular rainforest, the entire Earth itself, or any habitat in between. The variety of animal and plant life in any environment is known as biodiversity. Biodiversity or Biological diversity is a term that describes the variety of living beings on earth. But biodiversity doesn’t stop at the individual. Biodiversity is a term which describes every living organism within a single ecosystem or habitat, including numbers and diversity of species and all environmental aspects such as temperature, oxygen and carbon dioxide levels and climate. It is the diversity observed among the different ecosystems in a region. One word sums up the incredible variety of animals and plants on Earth. Biodiversity comes from two words Bio meaning life and diversity meaning variability. Biodiversity is the variety of all living things; the different plants, animals and micro organisms, the genetic information they contain and the ecosystems they form. Ecological biodiversity refers to the variations in the plant and animal species living together and connected by food chains and food webs. It can be used more specifically to refer to all of the species in one region or ecosystem.Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Every single individual lifeform from the smallest bacteria in the soil to the largest whale in the sea, is a component of Earth’s biodiversity. Biodiversity can be measured globally or in smaller settings, such as ponds. Biodiversity is of interest to anyone concerned with the welfare of our planet. From bears, salmon and worms to trees, soil and fungi, it is the diversity of species living in an area and the relationships they have with one another. Biological diversity, better known as BIODIVERSITY is the LIBRARY OF LIFE. It includes the concepts of species diversity, habitat diversity and genetic diversity. Biological diversity encompasses microorganism, plants, animals and ecosystems such as coral reefs, forests, rainforests, deserts etc. Biodiversity loss, also called loss of biodiversity, a decrease in biodiversity within a species, an ecosystem, a given geographic area, or Earth as a whole. Biodiversity is a term used to describe the enormous variety of life on Earth. Ecosystem biodiversity The variety of environments in a determined natural area is the expression of biodiversity in the ecosystem, in other words, consider the differences there are, for example, between a temperate forest in South America and a mangrove forest at the Equator. 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