arthropoda Flashcards
Largest phylum belongs to
Arthropoda
Arthropoda means
joined
feet
segment of arthropoda
segmented
arthropoda are believed to have common origin with
Annelida
Habitat of arthropoda
are found everywhere
The body of arthropoda is covered by waterproof __ secreted by __
Chitinous cuticle
epidermis
The body cavity of arthropod is called
Haemocoel
Excretory system of arthropod consists of
Malpighian tubule
CNS of arthropod consists of?
Highly developed CNC consists of
Simple brain (paired ganglia)
+
Connected to Ventral double nerve cord
Aquatic arthropods respire through __
gills and book lungs.
Circulatory system in arthropod is
Open circulatory system
Blood of arthropod is
Colourless no hb
In blood circ system of arthropod there is ___ heart and main blood vessel situated ___
primitive heart
dorsally
skeleton in arthropod is
external exoskeleton chitinous
__ is distinctive feature of Insects
Metamorphosis
There are ___ morphologically distinct
stages in the life cycle of arthropod
three
Crustaceans have __ for respiration
gills
Head of crustacean has
1 pair of mandible
2 pair of maxilla
2 pair of antennal appendage
example of crustacean?
wood louse
cyclops
lobster
crabs
prawns
Largest group of animals belong to class
Insecta
class insecta thorax has _ segments
3
there are _ pair of jointed legs in insects
3
Class arachnida has __ pair of legs
4
Book lungs are present in
arachnida
