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  • TAXONOMY - mbr-pwrc. usgs. gov
    At the species level, there are the American White Pelican, Pelecanus erythrorhynchos, and the Brown Pelican, Pelecanus occidentalis The scientific names are all in Latin so that scientists around the world can communicate in a common language The species is considered the basic biological unit
  • Why Are Angiosperms so Successful? | Ask A Biologist
    There are almost 300,000 known species of angiosperms, including all of earth’s fruits, grasses, and flowers Angiosperms can live in the blistering desert or the frigid Antarctic, and in evolutionary terms, they are still young
  • Outline of oceanography - Wikipedia
    The following outline is provided as an overview of and introduction to Oceanography Thermohaline circulation Oceanography (from Ancient Greek ὠκεανός (ōkeanós) ' ocean ' and γραφή (graphḗ) ' writing '), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology
  • BIRDS OF THE WORLD
    Profile of more than 500 bird species around the world BIRDS OF THE WORLD is a website on more than 500 birds species observed in various countries of the world Birds are fascinating animals, not the least because they can fly Flying is a feat that humans strove for and finally succeeded at after many long centuries of trials and disasters
  • List of bird species discovered since 1900 - Wikipedia
    This article describes bird species discovered since 1900 Before the 20th century, and into its early decades, the pace of discovery (and "discovery") of new species was fast; during this period, with numerous collecting expeditions into species-rich areas not previously visited by western ornithologists, up to several hundred new species per decade were being described
  • 29. 5A: Characteristics of Birds - Biology LibreTexts
    Not all bones of the skeleton are pneumatic, although the skulls of almost all birds are Figure \(\PageIndex{1}\): Pneumatic bones of birds: Many birds have hollow, pneumatic bones, which make flight easier Other modifications that reduce weight include the lack of a urinary bladder Birds possess a cloaca: a structure that allows water to be
  • Threatened species, facts and information - National Geographic
    There are two common systems of classifying a species’ extinction risk: The International Union for Conservation of Nature’s Red List of Threatened Species (IUCN) and the U S Endangered





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