Biodiversity
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Biodiversity is the variability of life on Earth. It can be measured on various levels, for example, genetic variability, species diversity, ecosystem diversity, and phylogenetic diversity. Diversity
An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses).
Shown in a museum, various models of species across various taxa and orders visualize the variety of life on earth.
Summary of major biodiversity-related environmental-change categories expressed as a percentage of human-driven change (in red) relative to baseline (blue)
Summer field in Belgium (Hamois). The blue flowers are Centaurea cyanus and the red are Papaver rhoeas.
Phanerozoic
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The Phanerozoic is the current and the latest of the four geologic eons in the Earth's geologic time scale, covering the time period from 538.8 ± 0.6 million years ago to the present. It is the eon du
Dalmanites limulurus, a species of Silurian trilobites
Cephalaspis, a jawless fish
Proterogyrinus, a Carboniferous amphibian (non-amniote tetrapod)
Plateosaurus, an early sauropodomorph dinosaur