Characteristics
what type of skeleton do arthropods have
exoskeleton made of chitin
how many body divisions do they have and what are they
two; cephalothorax and abdomen
where do they live
mostly aquatic some terrestrial
What are the two classes of myriapoda
Diplopoda and chilopoda
what subphylum does this class belong to
uniramia
what kind of circulatory system do they have
Open
what are the two classes in this subphylum
merostomata and arachnida
reproductively they are
dioecious
how many legs per segment do diplopods have
2 pr. per segment
how many body parts and what are they
3; head, thorax, and abdomen
external gills, tracheal system, book lungs
what class is the horseshoe crab in
merostomata
what are the two classes
copepodia and malacostraca
how do unirama reproduce
are dioecious
describe incomplete metamorphosis
egg-nymph-adult
what types of nitrogenous waste do they produce
ammonia and uric acid
what are the two poisonous spiders
brown recluse and black widow
what are the three orders of malacostraca
isopoda, amphipoda, and decapoda
how many pairs of antennae do uniramans have
one pair
name three modified mouth parts
sucking, piercing, chewing, sponging, lapping
in which organisms have a green gland
crustaceans
do huntsman spiders have one or two body parts
one
how do decapods respire
gills
describe uniramas appendages
are uniramous (consist of single process, are unbrached)
how many orders are in class insecta and what are they
6; coeleloptere, hymenoptera, hemipteran, diptera, orthopteran, lepidoptera