Higher Invertebrates

Question 1

What are internal stacked plates and what phylum possesses them? What subphylum? What class?

Answer 1

Increase surface area for gas exchange between hemolymph and air. Phylum Arthopoda, Subphylum Chelicerata, Class Arachnida

Question 1

Explain the anatomy of Phylum Echinodermata.

Answer 1

Complex water vascular system, calcareous ossicles form an endoskeleton, mutable connective tissues

Question 2

Explain the anatomy of Class Arachnida

Answer 2

Book lungs, internal stacked plates

Question 2

What are the representatives of Class Insecta?

Answer 2

Butterflies, moths, bees, mosquitoes, flies, grasshoppers

Question 2

What does the term biramous mean and what phylum possesses them? What subphylum?

Answer 2

Forked appendages. Phylum Arthopoda, Subphylum Crustacea

Question 2

Explain the external anatomy of Class Malacostraca

Answer 2

Tripartite, rostrum, uropods, green glands

Question 2

What is the class of Phylum Echinodermata?

Answer 2

Class Asteroidea

Question 2

Explain the anatomy of Class Asteroidea

Answer 2

Gonads & portions of digestive tract in each arm, oral surface, aboral surface

Question 4

What are the representative organisms of Class Chilopoda? To what Subphylum does it belong? What Phylum?

Answer 4

Centipedes; Subphylum Uniramia; Phylum Arthopoda

Question 6

What are the characteristics all Arthopods share?

Answer 6

Segmentation, hard exoskeleton (cuticle), jointed appendages

Question 7

What is the tracheal system and what phylum possesses them? What subphylum? What class?

Answer 7

Chitin-lined tubes; carries O2 to cells thru body. Phylum Arthopoda, Subphylum Uniramia, Class Insecta

Question 8

What are the subphylums of Phylum Arthopoda?

Answer 8

Chelicerata, Uniramia, Crustacea

Question 9

What is a Cephalothorax and what phylum possesses it? What subphylum?

Answer 9

It is the head & body. Phylum Arthopoda, Subphylum Chelicerata.

Question 10

What are the classes of Subphylum Chelicerata?

Answer 10

Merostomata & Arachnida

Question 11

What are Pedipalps and what phylum possesses them? What subphylum?

Answer 11

They are for sensing/feeding. Phylum Arthopoda, Subphylum Chelicerata.

Question 11

What are the representative organisms of Class Diplopoda? To what Subphylum does it belong? What Phylum?

Answer 11

Milipedes; Subphylum Uniramia; Phylum Arthopoda

Question 12

What are the representatives of Subphylum Crustacea?

Answer 12

Crabs, lobsters, shrimp, barnacles, copepods, water fleas, wood lice

Question 13

Explain the anatomy of Class Merostomata

Answer 13

Carapace, book gills, telson

Question 14

What are Chelicerae and what phylum possesses them? What subphylum?

Answer 14

They are for feeding; pincers/fangs. Phylum Arthopoda, Subphylum Chelicerata.

Question 15

What are green glands and what phylum possesses them? What subphylum? What class?

Answer 15

Excretory glands. Phylum Arthopoda, Subphylum Crustacea, Class Malacostraca

Question 16

What is the representative of Class Merostomata?

Answer 16

Horseshoe crabs

Question 18

What are book lungs and what phylum possesses them? What subphylum? What class?

Answer 18

They are for gas exchange. Phylum Arthopoda, Subphylum Chelicerata, Class Arachnida

Question 19

What are the representative of Class Arachnida?

Answer 19

Spiders, scorpions, ticks, mites

Question 20

What is a tripartite and what phylum possesses them? What subphylum? What class?

Answer 20

Body form; head, thorax, abdomen. Phylum Arthopoda, Subphylum Crustacea, Class Malacostraca

Question 21

Explain the external anatomy of Class Insecta

Answer 21

Wings, 6 legs, body region, tracheal system

Question 22

Explain the term autotomize and what phylum does it? What class?

Answer 22

Voluntarily arm sever. It is asexually regenerated later. Phylum Echniodermata, Class Asteroidea

Question 23

What are the representatives of Phylum Echinodermata?

Answer 23

Sea lilies, feather stars, brittle stars, sea stars, sea urchins, sea cucumbers, sea daisies

Question 25

What is a telson and what phylum possesses it? What subphylum? What class?

Answer 25

It is a long tail spike. Phylum Arthopoda, Subphylum Chelicerata, Class Merostomata

Question 26

What is the aboral surface? What Phylum? What Class?

Answer 26

Surface opposite mouth; Phylum Echinodermata; Class Asteroidea

Question 27

Explain the anatomy of Subphylum Crustacea

Answer 27

3+ appendages modified into mouthparts, biramous

Question 28

What are the charactertistics all Chelicerata shares?

Answer 28

2 chelicerae, 2 pedipalps, 8 legs, cephalothorax

Question 30

Explain the 3 parts of Class Insecta's body region

Answer 30

Head, thorax, abdomen

Question 32

Explain the external anatomy of Subphylum Uniramia

Answer 32

Jaw-like mandibles, 2 sensory antennae, 2 compound eyes

Question 34

What are book gills and what phylum possesses them? What subphylum? What class?

Answer 34

They are for gas exchange and swimming. Phylum Arthopoda, Subphylum Chelicerata, Class Merostomata

Question 35

What are uropods and what phylum possesses them? What subphylum? What class?

Answer 35

Composes tail fan. Phylum Arthopoda, Subphylum Crustacea, Class Malacostraca

Question 36

What is the class of Subphylum Crustacea?

Answer 36

Class Malacostraca

Question 37

What are the classes in Subphylum Uniramia?

Answer 37

Diplopoda, Chilopoda, Insecta

Question 38

What are the representatives of Class Malacostraca?

Answer 38

Human food source; crabs, lobster, shrimp

Question 39

What is a rostrum and what phylum possesses them? What subphylum? What class?

Answer 39

Point at anterior portion of head. Phylum Arthopoda, Subphylum Crustacea, Class Malacostraca

Question 40

What are spiracles? In what Phylum do they appear? Subphylum? Class?

Answer 40

Tiny dots that line the grasshopper's abdomen, connecting to the trachea. Phylum Arthopoda, Subphylum Uniramia, Class Insecta.