Arthropods

Question 1

Name 3 layers of the exoskeleton of an arthropod

Answer 1

Waxy outer layer
Inner layer
Middle layer

Question 2

Arthropods have what kind of eye?

Answer 2

Compound eyes

Question 3

To grow, the exoskeleton must be shed and a larger one must be formed. This process is called what?

Answer 3

Molting

Question 4

The ancestor for Arthropods is thought to be the _____.

Answer 4

Trilobite

Question 5

Segments fused into larger structures. These structures are called _____.

Answer 5

Tegmata

Question 6

List 4 classes of Arthropods

Answer 6

Tribolita, Crustacea, chelicerata, uniramia

Question 7

Name the larval form of crabs and lobsters

Answer 7

Nauplius

Question 8

Barnacles use _____ to filter food out of the water

Answer 8

Cirri

Question 9

A pill bug is an example of an _____.

Answer 9

Isopod

Question 10

An animal that has 10 legs is called a ______.

Answer 10

Decapod

Question 11

A fused head and thorax is called a ______.

Answer 11

Cephalothorax

Question 12

Name eight appendages found in the crayfish

Answer 12

Uropod, antennae, maxillae, mandibles, swimmerets, maxipilleds, antennules, chelipeds

Question 13

The excretory system of a crayfish consists of a single _____.

Answer 13

Green gland

Question 14

Crayfish have an _____ circulatory system.

Answer 14

Open

Question 15

In crustaceans the gills are attached to what structure?

Answer 15

Walking legs

Question 16

Crayfish have what kind of eye?

Answer 16

Compound eyes

Question 17

An organ in crayfish that detects changes in position is called what?

Answer 17

Statocysts

Question 18

Crayfish attach eggs to what structure?

Answer 18

Swimmerets

Question 19

The class of spiders is called _____.

Answer 19

Arachnida

Question 20

Name 3 types of appendages found in spiders

Answer 20

Chelicerae, pedipalp, legs

Question 21

What organ is responsible for respiration in spiders?

Answer 21

Book lungs

Question 22

What organ removes waste in the spider?

Answer 22

Malpighian tubules

Question 23

Web is synthesized in what organ in spiders?

Answer 23

Spinnerets

Question 24

Name 5 ways the spiders capture food

Answer 24

Orb weavers, con web weavers, sheet weavers, jumping spiders, ambush hunters

Question 25

Name 2 poisonous spiders in North America

Answer 25

Black widow, northern widow

Question 26

How can you tell male spiders from female spiders?

Answer 26

Male is smaller than females

Question 27

What is the structure that is modified into claws on scorpion?

Answer 27

Pedipalps

Question 28

Arachnids that are parasitic and carry diseases like Lyme Disease are called _____?

Answer 28

Ticks

Question 29

List two classes of Myropods

Answer 29

Class Diplopoda, Chilopoda

Question 30

A Myropod that uses noxious chemicals to defend itself is called what?

Answer 30

Millipede

Question 31

A Myropod that is a voracious predator and kills its prey with poison from two claws located close to the mouth is called what?

Answer 31

Centipede

Question 32

List 5 characteristics of Arthropods

Answer 32

Open circulatory system, exoskeleton, segmented body, jointed appendages, specialized digestive system