Examples
This class of arthropods include shrimp, crabs, and lobsters.
What are crustaceans?
This class of arthropods has two pairs of antennae, two or three body sections, and five or more pairs of legs.
What are crustaceans?
These appendages are used to sense the surroundings in all arthropods except arachnids.
What are antennae?
The process when an arthropod changes from one body form to another.
What is metamorphosis?
This class of arthropods include spiders, ticks, and scorpions.
What are arachnids?
This class of arthropods have one pair of antennae, three body sections, and three pairs of legs.
What are insects?
These are the respiratory structures of crustaceans.
What are gills?
This outer layer of arthropods is made of chitin.
What is the exoskeleton?
This class of arthropods includes centipedes.
What is Chilopoda?
This class of arthropods has two pairs of legs on each of many rounded body segments.
What is Diplopoda?
These structures have many lenses in all arthropods except arachnids.
What are compound eyes?
The process by which the outgrown exoskeleton is shed.
What is molting?
This class of arthropods include dragonflies, beetles, and bees.
What is Insecta?
This class of arthropods have two body sections, no antennae, and four pairs of legs.
What are arachnids?
These are the respiratory openings in insects, diplopods, and chilopods.
What are the spiracles?
This is the fused head and middle body segment in arachnids and crusteaceans.
What is the cephalothorax?
This class of arthropods includes millipedes.
What is Diplopoda?
This class of arthropods has one pair of legs attached to each of many flattened body segments.
What is Chilopoda?
These are the respiratory structures of arachnids.
What are book lungs?
System in which blood can move freely through large cavities within the body rather than through veins and arteries.
What is an open circulatory system?