Committed synonym9/10/2023 Ecosystem BiodiversityĮcosystem biodiversity refers to the variety of ecosystems, by their nature and number, where living species interact with their environment and with each other. For example, on Earth, there are different ecosystems, each with their specificities like deserts, oceans, lakes, plains or forests. ![]() Let’s say humans (or sapiens sapiens), a species with currently 7.7 billion organisms, have a higher diversity than, for instance, the low number of African elephants that are currently facing extinction. On the contrary, interspecific biodiversity refers to the diversity of living species among themselves: by their number, their nature, and their relative importance. Humans having white or black skin, blond or brown hair, blue or green eyes is one of the many examples of intraspecific biodiversity. ![]() Intraspecific diversity refers to the genetic variation of individuals and populations of the same species. Species diversity is often separated into two categories: They’re all different and divided into groups depending on their specificities (insects, animals, plants, fungi …). We speak of species diversity to describe the diversity of living species. There are millions of living species on Earth. And this genetic variability contributes to the multiplicity of life forms, physical and biological characteristics and, depending on the interaction with the environment, phenotypes. Genetic diversity is about the diversity of genes existing in the living world. Between and within different species there are different genes and different expressions of genes. But what does each of these levels really mean? Genetic Diversity Traditionally, there are three levels of biodiversity: genetic diversity, species diversity, and ecosystem diversity. The term “biodiversity” refers to the variety of living organisms. Biodiversity brings together the different species and forms of life (animal, plant, entomological and other) and their variability, that is to say, their dynamics of evolution in their ecosystems. To understand biodiversity better, check this video from TED Education talks: To describe biodiversity, the following terms are also often used: What is biodiversity? The concept of “biodiversity” – what does it mean exactly? How are human activities having an impact on biodiversity? What are the consequences of the disappearance of biodiversity?īiodiversity refers to all species and living things on Earth or in a specific ecosystem.
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