Arthropods: Introduction
What is the phylum that arthropods are a part of?
Phylum Arthropoda.
What are the two types of insects said in the textbook to undergo complete metamorphosis?
Bees and flies.
What are insect droppings said to do?
Help fertilize soil.
What kind of symmetry do arthropods have?
Bilateral Symmetry.
What are the two examples of insects in the textbook said to undergo incomplete metamorphosis?
Grasshoppers and dragonflies.
Open Circulatory System.
What are the three defining characteristics of an arthropod?
Segmented bodies that form units, an external skeleton (exoskeleton), and jointed appendages.
What are the three stages that an arthropod goes through during incomplete metamorphosis?
Egg, Nymph, and Adult.
What mechanism do crabs use to breath?
Gills, similar to that of octopi.
What do arthropods do when their exoskeleton becomes too tight?
What are the three stages that an arthropod goes through during complete metamorphosis?
Egg, Larva, Pupa, and Adult.
What three kinds of apparatuses do arthropods use to breath?
Gills, "book lungs," and spiracles.
What is an arthropod's exoskeleton made of?
Chitin.
How is the larva described after it emerges out of the egg?
Wormlike.
What example of a chilopoda is used in the textbook? (Hint: there is only one example).
Centipedes.