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Arthropods (phylum Arthropoda) (from Greek ἀρθρον, meaning joint and πούς/ποδός, meaning foot) are the largest phylum of animals and include the insects, arachnids, crustaceans, and others. Approximately eighty percent of extant animal species are arthropods, with over a million modern species described and a fossil record reaching back to the early Cambrian. Arthropods are common throughout marine, freshwater, terrestrial, and even aerial environments, as well as including various symbiotic and parasitic forms. They range in size from microscopic plankton (~0.25 mm) up to forms several metres long.
Arthropods are characterised by the possession of a segmented body with appendages on each segment. They have a dorsal heart and a ventral nervous system. All arthropods are covered by a hard exoskeleton that is made out of chitin, a polysaccharide. Periodically, an arthropod sheds this covering when it moults. This covering makes arthropods less prone to dehydration.
Basic arthropod structure
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Arthropods rule. Have to be my favourite group of animals. Followed by cephalopods and fungi (if you can call fungi an animal).
michellefarran (Michelle Farran) Thu, 26 Nov 2009 07:59:06 -0000
Arthropods rule. Have to be my favourite group of animals. Followed by cephalopods and fungi (if you can call fungi an animal).
Gardening Tips Plant Pests And Problems: Vegetarian insects, arthropods and molluscs can ruin plants in all sor.. http://tinyurl.com/yjoensf
gardensets (Garden FurnitureSets) Wed, 25 Nov 2009 20:34:41 -0000
Gardening Tips Plant Pests And Problems: Vegetarian insects, arthropods and molluscs can ruin plants in all sor.. http://tinyurl.com/yjoensf
Gardening Tips Plant Pests And Problems | Travel Tips for Honeymoon: Vegetarian insects, arthropods and mollusc.. http://bit.ly/7W1y6O
pamakia (Palma Kami) Wed, 25 Nov 2009 17:26:28 -0000
Gardening Tips Plant Pests And Problems | Travel Tips for Honeymoon: Vegetarian insects, arthropods and mollusc.. http://bit.ly/7W1y6O
man fucking lab reports. What is the point of me writing about arthropods and if they went into the light? Pointless.
davehockey (David Powell) Wed, 25 Nov 2009 03:10:24 -0000
man fucking lab reports. What is the point of me writing about arthropods and if they went into the light? Pointless.
great day today, i saw a 23cm long giant centipede (in a pod) and learnt about arthropods. am i a medical student?? or a young zoologist
summeree21 (Chloe) Tue, 24 Nov 2009 13:04:44 -0000
great day today, i saw a 23cm long giant centipede (in a pod) and learnt about arthropods. am i a medical student?? or a young zoologist
Peter Wainwright in our Biodiversity class at #UCdavis is talking about arthropods - and how to keep pill bugs as pets
phylogenomics (Jonathan Eisen) Mon, 23 Nov 2009 21:31:41 -0000
Peter Wainwright in our Biodiversity class at #UCdavis is talking about arthropods - and how to keep pill bugs as pets
Bites and Stings - Advice on using Indian remedies to treat insect bites and stings.
Bites and Stings of Medically Important Venomous Arthropods - Medical journal article with photographs, symptoms, preventions, and treatment.
Centipede Envenomation - Discusses several cases of centipede stings.
Don't Let the Bugs Bite - Bites and stings from insects, including spiders, ticks, mites, mosquitoes, flies, fleas, ants, bees, and wasps, are common in children. Know how to prevent and treat common ones, and when to not over react.
Meta Description: [ Bites and stings from insects, including spiders, ticks, mites, mosquitoes, flies, fleas, ants, bees, and wasps, are common in children. While most insect bites only result in mild local reactions, they can cause more serious conditions, such as anaphylactic reactions and Lyme disease. Knowing ho... ]
eMedicine Health - Insect Bites - Information on the causes, symptoms, and treatment of insect bites.
Meta Description: [ Stings and bites from insects are common. They often result in redness and swelling in the injured area. Sometimes a sting can cause a life-threatening allergic reaction. Arthropods are insects ... ]
Family Practice Notebook: Insect Bite - Advice for emergency medical personnel on treatment of bites and stings by insects, spiders, and other arthropods.
Meta Description: [ Emergency: Dermatology: Bites Human ]
Fighting Fleas and Ticks - Article from the US Food and Drug Administration about treating fleas and ticks.
Meta Description: [ Fighting fleas and ticks ]
MedlinePlus Medical Encyclopedia: Insect Bites and Stings - Prevention, symptoms, images, and treatment.
MedlinePlus: Insect Bites and Stings - Directory of factsheets on various arthropod envenomations.
Meta Description: [ Insect Bites and Stings ]
Nature's Nasties - Article from Fish Ontario by Bill Thompson on the numerous species of insects you may encounter. Linked insect images with descriptions and suggested remedies.
Meta Description: [ FISH Ontario! is your complete Internet fishing resource. ]
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