Arthropod Overview
Chelicerates and crustaceans
Insects
Misc.
100
What is the single exoskeletal plate that covers the cephalothorax of crustaceans?
Carapace
100
What are crustaceans that live in fresh water?
Crayfish
100
What are insects with only one pair off wings?
Flies, mosquitoes, and gnats
100
What are crustaceans that eat phytoplankton but are food to many large forms of ocean life?
Krill
200
What arthropod structure has thousands of lenses set at different angles?
Compound eyes
200
What are nocturnal and terrestrial crustaceans?
Pillbugs
200
What is the segmented, wormlike stage of metamorphosis that eats a ton of food?
Larva
200
Which order has the most species of insects?
Order Coleoptera
300
What are tracehea?
Tubes which branch throughout the animal to move gases
300
Which insects have two pairs of straight, leathery wings?
Grasshoppers, crickets, and cockroaches
300
What are pheromones?
Chemicals released by the females to attract and find a mate
300
How many body sections do chelicerates have?
One or two
400
What is significant about the Japanese spider crab?
It is the largest known arthropod
400
On the spider diagram, label: book lungs, spinneret, pedipalps, and simple eyes.
400
What are malpighian tubes?
A bundle of thin tubes between the midgut and hindgut of an insect that allows the insect to remove nitrogen-containing wastes in the blood
400
On the crustacean diagram, label: carapace, walking legs, chelipeds, and swimmerets.
500
Describe incomplete metamorphosis.
The process in which an insect hatches from an egg to form a nymph, which matures into an adult
500
What are four ways in which chelicerates function in their environment?
Parasitic
Predators to insects
Food to many animals
"Milking" blood from horseshoe crabs, which has antibacterial properties
500
List five characteristics of insects.
Three body parts
Legs do not branch
One pair of antennae
One pair of compound eyes
Wings (almost all of them)
500
What is the difference between a nymph and a pupa?
Nymph - immature form of an insect that hatches from the egg and looks like a miniature version of the adult
Pupa - the stage in which the larva form a case around itself to reform the body structures and organs