Search results
Results from the WOW.Com Content Network
Arachnids are arthropods in the class Arachnida (/ ə ˈ r æ k n ɪ d ə /) of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spiders and vinegaroons. [2] Adult arachnids have eight legs attached to the cephalothorax.
Directory of featured pictures Animals · Artwork · Culture, entertainment, and lifestyle · Currency · Diagrams, drawings, and maps · Engineering and technology · Food and drink · Fungi · History · Natural phenomena · People · Photographic techniques, terms, and equipment · Places · Plants · Sciences · Space · Vehicles · Other ...
Unlike the majority of arachnids, which are oviparous, hatching from eggs, scorpions seem to be universally viviparous, with live births. [97] They are unusual among terrestrial arthropods in the amount of care a female gives to her offspring. [98] The size of a brood varies by species, from 3 to over 100. [99]
Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. The arthropod body plan consists of segments
Like most arthropods, spiders lack balance and acceleration sensors and rely on their eyes to tell them which way is up. Arthropods' proprioceptors, sensors that report the force exerted by muscles and the degree of bending in the body and joints, are well-understood. On the other hand, little is known about what other internal sensors spiders ...
Arthropod eyes Head of a wasp with three ocelli (center), and compound eyes at the left and right. Most arthropods have sophisticated visual systems that include one or more usually both of compound eyes and pigment-cup ocelli ("little eyes"). In most cases, ocelli are only capable of detecting the direction from which light is coming, using ...
The desert recluse is one of the two most common types of recluse spiders in Arizona. It is often mislabeled as a brown recluse in Western Arizona, Southern California and the southern tip of Nevada.
Horseshoe crabs are arthropods of the family Limulidae and the only surviving xiphosurans.Despite their name, they are not true crabs or even crustaceans; they are chelicerates, more closely related to arachnids like spiders, ticks, and scorpions.