arthropods make up what percentage of animals
80
terrestrial arthropods breathe with
trachea
arthropods have a ___________ circulatory system
open
subphylum which includes insects
hexapoda
class which includes scorpions, ticks, mites, harvestmen, and spiders
arachinida
body regions of an arthropod are called what
tagmata
spiders breathe using
book lungs
a drastic change in form and
physiology that occurs as an immature stage
becomes an adult.
metamorphosis
subphylum which includes lobsters, crabs, crayfish, and shrimp
crustacea
class which include horseshoe crabs
merostomata
an arthropod is protected by what
exoskeleton
aquatic insect larvae breathe with
gills
terrestrial arthropods use what kind of fertilization
internal
subphylum which includes spiders, scorpions, ticks, mites, and horseshoe crabs
chelicerata
includes shrimp, lobsters, crabs, and freshwater crayfish
decapoda
the process of shedding their skin
ecdysis or molting
simple eyes of a arthropod
ocelli
organs which regulate salt balance
antennal glands
sub phylum that includes millipedes and centipedes
myriapoda
class which includes millipedes
diplpoda
arthropod that molts an indefinite number of times in its life
spiders or some crustaceans
besides crustaceans what other arthropod has a cephalothorax
spider
arthropod excretory organ
Malpighian tubules
type of flies that carry African sleeping sickness
tsetse
class which includes centipedes
chilopoda