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  • New pieces in the puzzle of first life on Earth | ScienceDaily
    Microorganisms were the first forms of life on our planet The clues are written in 3 5 billion-year-old rocks by geochemical and morphological traces, such as chemical compounds or structures
  • HOW MANY SPECIES ARE THERE ON EARTH? A FINAL, DEFINITIVE, AND . . .
    where N T is the total number of species, N is the number of species observed, and I is the number of species observed only once So, plugging in the numbers we find that: N T = 7 2 (7-3) = 49 4 = 12 25 species Step 3: Determining the Completeness of the Census
  • How many species are there on Earth? Progress and problems
    Many studies have estimated the total number of insect species Their projections have been comfortingly similar for decades, often around 6 million species This number is similar to the 5 6 million terrestrial animal species estimated by Mora and colleagues However, these estimates have not explicitly incorporated morphologically cryptic
  • Scientists Just Discovered a 1. 75 Billion-Year-Old Secret . . .
    Tiny fossils that have spent nearly 2 billion years locked up in chunks of ancient rock are giving us the earliest evidence yet for photosynthesis on Earth In the McDermott Formation in the desert of northern Australia, tiny structures called thylakoids have been discovered in what are thought to
  • Study Finds Hundreds of Mammals Are Waiting to Be Discovered
    The phenomenon, called the Linnean Shortfall, means that there is a discrepancy between the number of species with taxonomic descriptions and the number of actual living species roaming Earth
  • Living Planet Report 2020 | Publications | WWF
    Biodiversity—the rich diversity of life on Earth—is being lost at an alarming rate This loss effects our own health and well-being Today, catastrophic impacts for people and the planet loom closer than ever Read more about WWF's 2020 Living Planet Report
  • What is Biodiversity? - eAtlas
    Worldwide, about 1 75 million different species have been identified However, many environments and groups of organisms are not well studied and estimates of species numbers range from 3 to 100 million Diversity in species is important for economic, biological, social and cultural reasons





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