Arthropoda (General)

Question 1

Arthropoda

Answer 1

Largest animal phylum (Approx. 1.1 million species)

Question 2

Few modern day arhtropods exceed __ cm in length

Answer 2

60cm

Question 3

Largest arthropod

Answer 3

Japanese spider crab (4m)

Question 4

Arthroopds are characterized by

Answer 4

Jointed appendages, Body segmentation, Chitin exoskeleton/cuticle

Question 5

Arthropods are more widely distributed

Answer 5

Than any other eukaryotic phylum

Question 6

Arthropod exoskeleton

Answer 6

Highly versatile, Highly protective without sacrificing mobility

Question 7

What interlinks proteins in the outer layer of Arthropods

Answer 7

Sclerotization

Question 8

Arthropod segments combine into functional groups called

Answer 8

Tagmata

Question 9

Tagmata

Answer 9

Head, thorax, and abdomen

Question 10

Tagmata (Situational)

Answer 10

Some have a cephalothorax, abdomen, or a head and trunk

Question 11

Segmentation and appendages provide

Answer 11

More efficient locomotion

Question 12

Each tagma has a specialized function

Answer 12

Thorax for locomotion, head for sensory input

Question 13

Arthropods are ___

Answer 13

Eucoeolomate

Question 14

Circulation is ___ in Arthropods

Answer 14

Open

Question 15

Coelom is ___ in adult Arthropods

Answer 15

Reduced

Question 16

Coelom takes the form of ___ for blood circulation

Answer 16

hemocoel

Question 17

Arthropod respiratory systems

Answer 17

Varied

Question 18

Insect and Myriapod respiratory systems

Answer 18

Have a series of tracheae with openings called spiracles

Question 19

Aquatic crustaceans respiratory systems have

Answer 19

Gills

Question 20

Arachnid respiratory systems have

Answer 20

Book lungs

Question 21

Aquatic chelicerate respiratory systems have

Answer 21

Book gills

Question 22

Arthropods have a ___ digestive system

Answer 22

Complete

Question 22

Arthropod mouthparts are ___ and adapted for ___

Answer 22

Varied, Different methods of feeding

Question 23

Arthropod nervous system is similar to that of ___

Answer 23

Annelids

Question 24

Arthropod ___ connected to a ___

Answer 24

Dorsal brain, Double nerve chain of ventral ganglia

Question 25

Arthropods have highly developed ___

Answer 25

Sensory organs, Ex. Compound eyes

Question 26

Arthropods have complex ___

Answer 26

Behavioral patterns

Question 27

Many arthropod species are capable of ___

Answer 27

Learned behaviors

Question 28

Some Arthropods have complex ___

Answer 28

Social organization

Question 29

Arthropods are typically ___

Answer 29

Dioecious

Question 30

Arthropods often undergo ___ during development

Answer 30

Metamorphosis

Question 31

Arthropod Larvae are often adapted for ___

Answer 31

Different food sources than adults, Allows them to occupy varied niches

Question 32

Arthropod Diversity

Answer 32

5 Subphyla with 4 currently existing: Trilobita (extinct), Chelicerata, Myriapoda, Crustacea, Hexapoda