Structure
How many pairs of legs do millipedes have per body segment?
2
Examples of crustaceans?
Barnacles, pill bugs, crabs
What do crustaceans use to breathe?
Gills
Yes
What is a cephalothorax?
the body segment that consists of the head and thorax fused together.
What 2 groups of arthropods have a cephalothorax?
Crustaceans and arachnids
What are some examples of arachnids and how many appendages do all arachnids have?
6 appendages; spider, scorpion, mite
What is molting?
An arthropod shedding its exoskeleton so it can grow.
What is an arthropod and how many segments do arthropods have?
invertebrates that have jointed appendages and an exoskeleton; 2-3
What is a thorax?
The center segment of an insect or other arthropod
What creature has three pairs of legs, one pair of antennae, three body segments, and two pairs of wings?
An insect
Example of a myriapod?
centipedes
What is metamorphosis?
a series of changes that transform an egg into an adult
What is the technique called where spiders use their silk to fly away?
Ballooning
What is a mandible?
a mouth part
What is one thing all arthropods have in common?
An exoskeleton
Examples of an insect?
honeybee, ant, grasshopper
What are the stages of metamorphosis?
egg, larva, pupa, adult
What group of arthropods has the greatest number of species?
Insects
What is a nymph?
a stage of incomplete metamorphosis.
Since grasshoppers have an open circulatory system, not a closed one, what do they not have?
Capillaries.
What is a trachea?
A tube that carries air so the insect can breathe.
What is a crustacean?
an arthropod with a hard shell
Do crustaceans move quickly or slowly?
Quickly
What are maxillipeds?
appendages that help a crustacean eat.