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The image is a bar graph titled "Terrestrial Biomass," illustrating the changes in biomass, measured in millions of tonnes, for wild animals, domesticated animals, and humans at three different time points: 10,000 BCE, 1900, and 2000. In 10,000 BCE, wild animals are the most significant biomass, with a slightly smaller amount of humans and a negligible amount of domesticated animals. By 1900, the biomass of domesticated animals surpasses wild animals, and humans increase slightly. In 2000, the biomass of humans and domesticated animals has increased substantially, dwarfing the much-reduced wild animal biomass. The graph has a marble background, and the data sources are listed at the bottom: for 1900 and 2000 from Vaclav Smil, and for 10,000 BCE from Paul Chefurka.