arthropoda Flashcards
1
Q
position of arthopoda
A
protostomia
ecdysozoa
panarthropoda
2
Q
arthropoda
A
segmented animals
jointed appendages
exoskeleton
haemocoel
dorsal heart - upper surface
ventral nerve - runs under
3
Q
divisions on arthropoda
A
chelicerata
myriapoda
pancustacea - hexapoda
4
Q
exoskeleton of arthropoda
A
rigid skeleton
- protection but limits growth and external stimuli
laminated (layered)
epicuticle - wax and tanned proteins
exocuticle - chitin
endocuticle - chitin but flexible
5
Q
circulation
A
haemocoel divided into sinuses
haemolymph - blood
- transports nutrients not always oxygen
cyanoglobin - respiratory pigments
contractile heart
6
Q
A
