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Hace 1 día · An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses).. Biodiversity (or biological diversity) is the variety and variability of life on Earth.It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity.
Hace 1 día · The size of Africa compared to the other continents. Africa is the world's second largest and second-most populous continent after Asia.At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area. With 1.4 billion people as of 2021, it accounts for about 18% of the world's human population.
