Lab 9

Question 1

What percentage of known species are anthropods

Answer 1

85%

Question 2

Class of milipede

Answer 2

Diplopoda

Question 3

Class of Brittlestar

Answer 3

Asteroidea

Question 4

Class of Horseshoe Crab

Answer 4

Merostomata

Question 5

Class of beetle

Answer 5

Hexapoda

Question 6

Class of centipede

Answer 6

Chilopoda

Question 7

Class of Tick

Answer 7

Arachnida

Question 8

Class of sea cucumber

Answer 8

Holothuroidea

Question 9

Class of pillbug

Answer 9

Crustacea

Question 10

Class of sea urchin

Answer 10

Echinoidea

Question 11

What are horseshoe crabs most closely related too?

Answer 11

Spiders

Question 12

Class merostomata and arachnida have 3 main body regions T/F

Answer 12

False

They have 2

Question 13

What are the jaws of spiders and scoprions called

Answer 13

Chelicerae

Question 14

What is not a function of water vascular system in echinoderms?

Answer 14

Digestion of food

Question 15

What are claws of crayfish called

Answer 15

Cheliped

Question 16

Groups under phylum Arthropoda

Answer 16

Trilobites
Chlicerates
Myriapods
Pancrustaceans

Question 17

Class under Group chlicerates

Answer 17

Class merostomata

Class archnida

Question 18

Class under Myriapods

Answer 18

Class chilopoda

Class Diplopoda

Question 19

Class under pancrustaceans

Answer 19

Class hexapoda

Class crustacea

Question 20

Classes under phylum Echinodermata

Answer 20

Asteriodea
Echinoidea
Holothuroidea

Question 21

Phylum Arthropoda Classification

Answer 21

85% of all known species

Hard exoskeleton and segmented body parts

Question 22

Trilobites

Answer 22

Extinct marine arthropods

distinct head and tail, segmented body

Question 23

Group Chelicerates Classification

Answer 23

Merostomata and arachnida
Terrestrial
two regions
Six appendages

Question 24

What is the first pair of appendages called in chelicerates

Answer 24

Chelicerae (jaws, pincers)

Question 25

What is the difference if the first appendages are pincers or jaws in Chelicerates

Answer 25

Pincers, next 5 are for walking | Jaws, Second pair are for grabbing. (Pedipalps)

Question 26

Class merostomata Classification

Answer 26

``` Two region Horshoe shapped Telson (Tail Spine) Most closely related to spiders (Horseshoe crab) ```

Question 27

Class Arachnida Classification

Answer 27

``` six appendages Jaws (chelicerae) Grabbers (Pedipalps) 4 pairs walking (spiders, scorpions, Ticks) ```

Question 28

Mariapods Classification

Answer 28

Many body segments, many legs

Question 29

Class chilopoda Classification

Answer 29

Predatory venomous 1 pair legs/ body segment (centipedes)

Question 30

Class Diplopoda Classification

Answer 30

``` Feed on detritus Under leaves 2 pair legs/ body segment Hard exoskeleton (milipedes) ```

Question 31

Class hexapoda Classification | Pancrustaceans

Answer 31

3 body segments (head, Thorax, Abdomen) Antennae Three pairs of legs (6) one or two wings(some modified)

Question 32

Class crustacea Classification | pancrustaceans

Answer 32

(Lobsters, shrimp, Crayfish) Unique organisms cyclops, ostracod, daphnia, isopod (pill bug)

Question 33

Phylum echinodermata Classification

Answer 33

Marine bottom dwellers radially symmetrical Deuterostomes True Coelom

Question 34

Class asteroidea Classification

Answer 34

(Starfish and brittle stars)

Question 35

Vascualr system of echinoderms

Answer 35

Madreporite, stone canal, ring canal, radial canal, lateral canal, Tube foot (ampulla, podium, sucker)

Question 36

Class echinoidea

Answer 36

Sea urchins and sand dollars

Question 37

Class Holothuroidea

Answer 37

Sea cucumbers