Chelicerata

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Often called "living fossils" (only horseshoe crabs)

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Class Merostomata

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Long tailpiece

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Telson

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Chemical that detects bacteria

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Coagulan

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Insects of the sea

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Crustaceans

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Lobsters, crabs, crayfish, shrimp, copepods, barnacles, water and snd fleas, and pill bugs belong to this subpylum

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Crustacea

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Largest order of crustaceans

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Decapoda

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Large pincers used in defense and capturing food

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Chelipeds

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Largest known species of crab in the world

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Giant spider crab

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Pill bug and sand hoppers

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Terrestrial crustaceans

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Process in which baby spiders can move through the air by releasing one or more silk threads to catch the wind

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Ballooning

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The wingless, worm-like stage of an arthropod during complete metamorphosis

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Larva

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The arachnid is commonly known as a daddy longlegs

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Harvestman

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Insects which carry the plague

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Fleas

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The ability of an animal to avoid observation or detection by other animals through camouflage in its shape or coloration

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Crypsis

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Brown spider which bears a violin-shaped dorsal stripe on their cephalothorax

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Recluse

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Carnivorous, agile hunter that kill their prey with their venom claws and have one pair of legs on each trunk segment

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Centipede

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Type of venom that acts on the nervous system

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Neurotoxin

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Slow-moving, herbivorous animal that may roll into a coil when disturbed and have two pairs of legs on each trunk segment

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Millipede

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Disease carried by anopheles mosquitoes infecting hundreds of millions of people each year and causing millions of deaths

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Malaria

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A chronic, disabling disease caused by a bacterium and carried by the deer tick

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Lyme disease

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The study of insects

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Entomology

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Specialized body regions modified for specific purposes

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Tagmata

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Type of flies which carry African sleeping sickness

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Tsetse

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This crab has the largest leg span of any arthropod

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Japanese spider Crab

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The imitation of a noxious species( having a bad taste, odor, or poisonous properties) by a palatable one

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Mimicry

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The outermost layer of the exoskeleton; serves as a barrier to microorganisms and pesticides

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Epicuticle

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Crustacean organs which regulate salt balance

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Antennal glands

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These arthropods are the number one disease vector in the world

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Mosquitoes

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Crayfish have these large pincers used in defense and capturing food

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Chelipeds

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These arthropods are the number two disease vector in the world

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Ticks

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Name of simple eyes in an arthropod

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Ocelli

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Extremely venomous spider found in Australia

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Funnelweb

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Nicknamed "living fossils"

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Horseshoe crabs

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The stage of complete metamorphosis in which the organism is enclosed within a protective capsule

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Pupa

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Type of venom that produces death of tissues and skin surrounding the bite

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Hemolytic

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Insects have this many pairs of antennae

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One

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A parasitic mite that burrows and lays eggs inside the skin of its host

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Scabies

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A warning coloration to advertise noxious qualities

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Aposematic

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Shiny black spider with a bright orange or red spot in the shape of an hourglass on the underside of it abdomen

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Black widow

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Arachnids must ingest this type of food

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Liquid

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Large marine crustaceans such as shrimp, lobster, crabs, and freshwater crayfish are in this order

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Decapoda

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5 Reasons insects are the most successful organisms

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Flight, sturdy exoskeleton, small size, shorter life spans and produce large number of eggs, the ability to engage in complex behaviors such as communication

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Chemical released by one organism that affects the behavior of other organisms of the same species through smell or taste

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Pheromones

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Serves as warning devices, advertisement of terrestrial claims, or courtship songs

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Sounds

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The common glowworm of Europe, is a firefly species of the genus Lampyris

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Lampyris noctiluca

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Tapping, stroking, grasping, and antennae touching

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Tactile communication

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2 types of bee dances

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Round dance and waggle dance

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Indicates a food source is nearby but gives no info about direction or distance

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Round dance

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Angle of dance indicates the direction of food and the duration of the dance and number of waggles indicates the food's distance from the hive

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Waggle dance

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Have one of the most complex social organizations in the insect world

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Honeybees

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Centipedes and millipedes

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Subpylum myriapoda

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Terrestrial arthropods with "many feet". Their body consists of 2 tagmata, the head and trunk with paired appendages on most or all of the trunk segments

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Myriopods

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Means "hundred feet"

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Centipede

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Centipedes

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Class chilopoda

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Usually have about 30 pairs of legs with some species up to 175 pairs of legs

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Centipedes

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Means "thousand feet"

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Millipede

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Millipedes

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Class diplopoda

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Usually have 60 pairs of legs; and some species that can have up to 350 pairs of legs

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Millipedes

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Importance of Arthropods

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Insects are essential for cross-fertilization and pollination, big food source, makes drugs and products, and recycles nutrients, kills insect crop pests

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Negatives of Arthropods

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Spread disease, attack humans and domestic animals