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16 Cards in this Set

  • Front
  • Back

Chelicerates

Arthropods

Arthropods germ layer and coeloms

Triploblastic, coelomate


Ecdysis

Molting

Metamerism

Segmented body

Cheliceratess examples

Horseshoe crab, spider, scorpion, tick, mite, pycnigoid

Chelicerates features

Have chelicerae


Pedipalps


No antenna


4 pairs legs


Respiratory system

Chelicerae

Feeding appendage used to grab prey

Use of pedipalps

Feeding, sperm transfer

Respiration of chelicerates

Book lungs, or book gills

Araneae

Spiders

Chelicerae in spiders

Modified to fangs

Opiliones

Daddy long legs

Opiliones chelicerae

Daddy long legs. Modified into chelae

How to opiliones deter predators

Scent handing head

Haller's organ

Detect prey. Sensory tip on first pair legs.

Hypostome

Cuts into prey and anchors