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21 Cards in this Set

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What is the largest size phylum?
Arthropod
What are the parts of an arthropods nervous system?
* brain and nerve cord = CNS

* SENSE ORGANS TOO!
ANTENNAE TO TOUCH AND SMELL
EYES SEE
What kind of environment do arthropods like
Water or land
Which class of arthropods have 2 sections of body?
Arachnids ex. spiders, ticks

crustaceans ex. crayfish,crab
What do arthropods use for shewing, sucking, holding, cutting,
jaws and special mouthparts
Which class of arthropods have 3 sections of body?
insects
GRASSHOPPER AND BEE
Which class of arthropods have many sections?
myriapods
ex. millipede
centipede
What does Arthropod mean?
jointed foot
What are jointed appendiges?
examples claws,legs, wings, antennae

bend on hinges called joints
What are some examples of crustaceans?
crayfish, crab, daphnia
What are some examples of myriapods?
centipedes and millipedes
What are the 4 classes of arthropods?
Insects
Arachnids
crustaceans
myriapods
What are some examples of arachnids
spiders , ticks, mites
What are some examples of insects?
grasshopper , bee, butterfly
What is the purpose of the respiratory system?
intake of oxygen (O2)

excretion of carbon dioxide (CO2)
What is the exoskeleton made of?
chitin
What is the job of the exeskeleton?
to support ant protect like a suit of armor
What happens to the exoskeleton when the arthropod's body grows bigger?
it sheds and replaces it by the process of molting
What kind of animals have gills (water or Land) and what is the purpose of the gills?
water animals and the purpose of gills is to remove Oxygen O2 from water.
What does it mean when arthropods have an open ciruclatory system?
blood flows in spaces then pumped by the heart again
What kind of respiratory system do land animals have?
openings called spiracles connected to tubes called trachea. Air sacs help (O2) diffuse to body cells