Arthropods Flashcards
Name 3 layers of the exoskeleton of an arthropod
Waxy outer layer
Inner layer
Middle layer
Arthropods have what kind of eye?
Compound eyes
To grow, the exoskeleton must be shed and a larger one must be formed. This process is called what?
Molting
The ancestor for Arthropods is thought to be the _____.
Trilobite
Segments fused into larger structures. These structures are called _____.
Tegmata
List 4 classes of Arthropods
Tribolita, Crustacea, chelicerata, uniramia
Name the larval form of crabs and lobsters
Nauplius
Barnacles use _____ to filter food out of the water
Cirri
A pill bug is an example of an _____.
Isopod
An animal that has 10 legs is called a ______.
Decapod
A fused head and thorax is called a ______.
Cephalothorax
Name eight appendages found in the crayfish
Uropod, antennae, maxillae, mandibles, swimmerets, maxipilleds, antennules, chelipeds
The excretory system of a crayfish consists of a single _____.
Green gland
Crayfish have an _____ circulatory system.
Open
In crustaceans the gills are attached to what structure?
Walking legs
Crayfish have what kind of eye?
Compound eyes
An organ in crayfish that detects changes in position is called what?
Statocysts
Crayfish attach eggs to what structure?
Swimmerets
The class of spiders is called _____.
Arachnida
Name 3 types of appendages found in spiders
Chelicerae, pedipalp, legs
What organ is responsible for respiration in spiders?
Book lungs
What organ removes waste in the spider?
Malpighian tubules
Web is synthesized in what organ in spiders?
Spinnerets
Name 5 ways the spiders capture food
Orb weavers, con web weavers, sheet weavers, jumping spiders, ambush hunters
Name 2 poisonous spiders in North America
Black widow, northern widow
How can you tell male spiders from female spiders?
Male is smaller than females
What is the structure that is modified into claws on scorpion?
Pedipalps
Arachnids that are parasitic and carry diseases like Lyme Disease are called _____?
Ticks
List two classes of Myropods
Class Diplopoda, Chilopoda
A Myropod that uses noxious chemicals to defend itself is called what?
Millipede
A Myropod that is a voracious predator and kills its prey with poison from two claws located close to the mouth is called what?
Centipede
List 5 characteristics of Arthropods
Open circulatory system, exoskeleton, segmented body, jointed appendages, specialized digestive system
