Chapter 13: Arthropods

0.0(0) Reviews
Report Flashcard set
Export flashcards





Spaced Repetition

spaced repetition

Practice Test


Matching Game



35 Terms
😃 Not studied yet (35)
uniramous (one tip legs)
Biramous (multiple tip legs)
Chelicerae (pinchers by mouth)
Mandibles (by mouth)
-2 pairs of antennae
a pair of mandibles and -2 pairs of maxillae 
one pair of appendages on each segment 
-All appendages except perhaps first antennae care biramous
- Basal protopod, an outer branch called on exopod and an inner branch called endopod
Most crustaceans have separate sexes 
Most crustaceans brood eggs in brood chambers, in eggs sacs attached to abdomen, or attached to abdominal appendages 
Crayfishes develop directly without a larval form 
Most crustaceans have a larva unlike the adult in form and undergo metamorphosis 
Nauplius is a common larval form with unsegmented body, frontal eye, 3 pair of appendages
-sea spiders
-4 pairs of walking legs 
-suctorial proboscis
-much reduced abdomen
-male use ovigers (pair of legs) to carry egg masses
-common in the waters
-over 100,000 species described
-spiders, scorpion, whip scorpions, ticks, mites, harvestmen, etc
-cephalothorax and abdomen
Horseshoe Crab- looks like a crab but it closely related to spiders 
- ancient marine group
-carapace, abdomen, telson
-their blue blood is harvested and used to test medicine