subphylum crustacea & class malacostraca Flashcards
(4 cards)
1
Q
what organisms are in the subphylum crustacea?
A
crabs, lobsters, shrimps, barnacles
2
Q
what is significant about their appendages?
A
they are highly specialized and jointed
3
Q
how do crustaceans undergo gas exchange?
A
small crustaceans: exchange gas across thin areas of the cuticle
large crustaceans: use gills
4
Q
how are organisms in the class malacostraca built?
A
cephalothorax: fused head and body region
abdomen: tail
