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The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period. It includes brief explanations of the various taxonomic ranks in ...
Human evolution. The hominoids are descendants of a common ancestor. Human evolution is the eionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 September 2024. Animal that can eat and survive on both plants and animals This article is about the biological concept. For the record label, see Omnivore Recordings. Examples of omnivores. From left to right: humans, dogs, pigs, channel catfish, American crows, gravel ant Among birds, the hooded crow ...
Human food. Human food is food which is fit for human consumption, and which humans willingly eat. Food is a basic necessity of life, and humans typically seek food out as an instinctual response to hunger; however, not all things that are edible constitute as human food. Humans eat various substances for energy, enjoyment and nutritional support.
The evolution of fish began about 530 million years ago during the Cambrian explosion. It was during this time that the early chordates developed the skull and the vertebral column, leading to the first craniates and vertebrates. The first fish lineages belong to the Agnatha, or jawless fish. Early examples include Haikouichthys.
Marine food web. The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as ...
Human uses of fish. People interact with fish in multiple ways, whether practically, in folklore and religion, or in art. They have economic importance in the fishing industry and fish farming; these industries provide some people with an income, and the general population with fish as food. Other practical uses of fish include recreational ...
539 Ma – present. The Phanerozoic Eon (Greek: period of well-displayed life) marks the appearance in the fossil record of abundant, shell-forming and/or trace-making organisms. It is subdivided into three eras, the Paleozoic, Mesozoic and Cenozoic, with major mass extinctions at division points.