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  • 12. 12: Amphibian Structure and Function - Biology LibreTexts
    Amphibians have less variation in size than fish, ranging in length from 1 centimeter (2 5 inches) to 1 5 meters (about 5 feet) They generally have moist skin without scales Their skin contains keratin , a tough, fibrous protein found in the skin, scales, feathers, hair, and nails of tetrapod vertebrates, from amphibians to humans
  • Biodiversity of Ghana - Wikipedia
    Ghana has a high degree of butterfly endemism where more than 20 species are classified endemic or near-endemic [4] Ghana is home to 84 known amphibian species: 78 frogs, 5 toads and caecilians [4] Threatened species recorded in Ghana include four species of marine turtles and three species of crocodiles [4]
  • Largest living amphibian - Guinness World Records
    Long thought to consist of a single species (Andrias davidianus), a study published in Ecology and Evolution on 16 September 2019 identified two new members of the family: the South China giant salamander (A sligoi) and another as-yet-unnamed species Scientists were able to make this discovery by comparing the DNA of preserved museum
  • Vertebrate - Wikipedia
    Despite their success, vertebrates still only make up less than five percent of all described animal species The first vertebrates appeared in the Cambrian explosion some 518 million years ago Jawed vertebrates evolved in the Ordovician, followed by bony fishes in the Devonian The first amphibians appeared on land in the Carboniferous
  • Tuberculosis - World Health Organization (WHO)
    Key facts A total of 1 25 million people died from tuberculosis (TB) in 2023 (including 161 000 people with HIV) Worldwide, TB has probably returned to being the world’s leading cause of death from a single infectious agent, following three years in which it was replaced by coronavirus disease (COVID-19)
  • 11 new species discovered in 2023 - Discover Wildlife
    We’re just over a month into 2023, and already there are plenty of newly described species We share some of our favourites
  • Reddit - Dive into anything
    We would like to show you a description here but the site won’t allow us





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