They have over a million described species, making up more than 80% of all described living animal species, some of which, unlike most animals, are very successful in dry environments.Arthropods range in size from the microscopic crustacean Stygotantulus up to the Japanese spider crab.During the Olympic Games in Rio de Janeiro, Not Forgotten is resurfacing obituaries about some of the greatest Olympic athletes of all time.Before tonight’s gold medal heavyweight match, between Russia’s Evgeny Tishchenko and Kazakhstan’s Vassiliy Levit, we revisit one of Olympic boxing’s most talented pugilists.Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate.

During the intervening period I’ve seen nothing to sway this belief, and much evidence to reinforce it.Yet the protests, ridicule, and hate mail reach a fervent pitch when I speak or write about the potential for near-term extinction of .“We’re different.” “We’re special.” “We’re too intelligent.” “We’ll find a way out.An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.Arthropods form the phylum Arthropoda, which includes insects, arachnids, myriapods, and crustaceans.