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  • The History of Mammals: From Prehistoric Giants to Modern-Day . . .
    Despite their evolutionary success, mammals face significant threats in the modern era Habitat destruction, climate change, poaching, and pollution have driven many species to the brink of extinction Iconic mammals like tigers, elephants, and whales serve as reminders of the urgent need for conservation
  • Comparative anatomy of neonates of the three major mammalian . . .
    The three extant mammal groups, that is monotremes (egg‐laying mammals), marsupials (pouched mammals) and placentals, have existed since the Jurassic (Luo, 2007; Benton et al 2009) The separation of Prototheria (monotremes) from therians occurred approximately 220 Mya according to fossil records and molecular data (Bininda‐Emonds et al
  • 12 Oldest Animal Species on Earth - Mom. com
    It's unclear exactly how long sea sponges have been around, but they are at least old enough to be the longest-existing creatures on Earth, outside the realm of microorganisms (like bacteria) The oldest evidence of a sea sponge found was a fossil discovered just last year in a 760-million-year-old rock
  • Mammals - Our Complete List - A-Z Animals
    Red Blood Cells Without Nucleus – Mammals have adult (mature) red blood cells, known as erythrocytes, that lack a nucleus This is unique compared to other vertebrates Has hair or fur – Mammals commonly have hair, or fur Though hair and fur are chemically similar and both made of keratin, they are characteristically different
  • Homo - Wikipedia
    Homo (from Latin homō ' human ') is a genus of great ape (family Hominidae) that emerged from the genus Australopithecus and encompasses only a single extant species, Homo sapiens (modern humans), along with a number of extinct species (collectively called archaic humans) classified as either ancestral or closely related to modern humans; these include Homo erectus and Homo neanderthalensis
  • The legacy of the extinct Neotropical megafauna on plants and . . .
    In this approach, an extinct species is considered to have been present in a given grid cell if at least 50% of the extant species that were found coexisting with the extinct species in the fossil
  • Living Planet Report 2020 | Publications | WWF
    A 68% average decline of birds, amphibians, mammals, fish, and reptiles since 1970 The findings are clear: Our relationship with nature is broken 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





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