14 terms

Isopods

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Isopods are...
Crustaceans
How many species of isopods do we know of?
4000
How do isopods breathe?
With gills
Where do isopods live?
Marine, freshwater, and terrestrial environments
When threatened, pillbugs ___________ and sow bugs __________
Curl into a ball, try to flee
Habitat of pillbugs
Moist, dim/dark, under rocks, logs, boards, leaves, etc.
What do pillbugs eat?
Decaying wood, leaves, and other vegetation
How long are pillbugs?
5-15 mm
What are the 3 body parts of pillbugs?
Head, thorax, and abdomen
Describe a pillbug's body
Exoskeleton with shield-like plates, body flattened laterally, 7 identical jointed appendages, 1 pair antennae, 1 pair compound eyes
How are pillbugs born?
They hatch from eggs which are carried in a pouch under the female's thorax. They are self-sufficient upon hatching.
How do pillbugs grow?
They molt their exoskeletons
What is taxis?
The turning of an animal's body relative to a stimulus
What is kinesis?
The random movement of an animal in relation to a stimulus