Chelicerata

Question 1

Limulus

Answer 1

• phylum: arthorpoda
• subphylum: chelicerata
• class: merostomata
• horseshoe crab
• breeding party on the shores
  
  • solitary otherwise
• telson
• benthic marine scavengers
• chilaria: guide food into their mouth
• unmodified pedipalps and chelicerae
• carapace for protection
• opisthosoma
• population plummeting
• hemocyanin
• bacterial sensing peptides
  
  • sterility of equipment & vaccines

Question 2

Pycnogonum

Answer 2

• phylum: arthorpoda
• subphylum: chelicerata
• class: pycnogonida
• common name: sea spiders
• micropredators
• marine
• paternal care
• ovigers which are found in the males
• pedipalps for sensing
• lack of abdomen, digestive system & reproductive system goes into the hind legs

Question 3

Brachypelma

Answer 3

• phylum: arthropoda
• • subphylum: chelicerata
• • class: Archnida
• • order: aranae
• mexican red knee tarantula
• terrestrial
• cytotoxic
• weave and make silk
• hollow cheilicerae filled with venoms
• long hairs used for sensing
  
  • will shoot hairs at you called urticating (backward facing spines)
    
    • they can burrow into the mucous membrane and cause pain and irritation

Question 4

Atrax Robustus

Answer 4

• phylum: arthropoda
• • subphylum: chelicerata
• • class: Archnida
• • order: aranae
• sydney funnel web spider
• the most toxic spider on the planet
  
  • neurotoxic venom that kills within a couple minutes
  • deadly
  • also has cytotoxic venom
  • obstrucive sodium channels in insects
• females make funnel webs to live in
• male is usually most seen
  
  • aggressive

Question 5

Loxosceles reclusa

Answer 5

• phylum: arthropoda
• • • subphylum: chelicerata
• • • class: Archnida
• • order: aranae
• brown recluse spider
• not aggressive
• will not bite you
• cytotoxic bite
  
  • volanic blister
    
    • not systematic
• violin shape on their cephalothroax

Question 6

Lactrodectus

Answer 6

• phylum: arthropoda
• • subphylum: chelicerata
• • class: Archnida
• • order: aranae
• black widow spider
  
  • eat their mates after they mate
• neurotoxin
• docile; do not attacked unless provoked
• cob web- irregularly shaped spiders
  
  • protect themselves from wasps

Question 7

Phalangium

Answer 7

• phylum: arthropoda
• • subphylum: chelicerata
• • class: Archnida
• • order: opiliones
• long finger like appendages
• harvestmen
• segmented abdomen
• predators for ecosystems
  
  • eat small invertebrates
• paternal care
• autonomous
• lack pedicel

Question 8

Centrurodies

Answer 8

• phylum: arthropoda
  
  • • subphylum: chelicerata
  • • class: Archnida
  • • order: scorpionidia
  • arizona bark scorpion
  • fairly small and lives under bark and on the ground
  • toxic
  • telson
    
    • segmented
    • equipped with a stinger at the end
  • venom in the stinger is from the immune system
  • pedipalps are modified are for grabbing

Question 9

Ixodes

Answer 9

• phylum: arthropoda
• subphylum: chelicerata
• class: Archnida
• order: acari
• black legged deer tick
• questing
  
  • climb to the top of the branch and stick their legs out to sense their next host
  • latch onto you when you walk by
• lyme disease
  
  • joint pain
  • chronic fatigue

Question 10

ambylyomma americanum

Answer 10

• phylum: arthropoda
• subphylum: chelicerata
• class: Archnida
• order: acari
• lone star tick
  
  • only females have the star
• causes erlichiosis
  
  • acute
  • fever like systoms
  • coughing
  • painful
  • does not kill you unless you are young and older

Question 11

dermatophagoides

Answer 11

• phylum: arthropoda
• subphylum: chelicerata
• class: Archnida
• order: acari
• dust mite
• common creatures
• eat skin skills, kertain, chitin
• not parasitic
• like oil, bacteria, and skin cells
• sometimes found in pillows

Question 12

Demodex

Answer 12

• phylum: arthropoda
• subphylum: chelicerata
• class: Archnida
• order: acari
• lives on the face, specifically on the eyelashes
• no exoskeleton or appendage legs
• commensal creatures
• no harm