Midterm III

Question 1

Mollusca?

Answer 1

Octopus, snail, slug

Question 2

Main characteristics of phylum mollusca?

Answer 2

complex gut , bilateral symmetry, open circulatory, head, radula, head

Question 3

what are radula?

Answer 3

teeth basically

Question 4

4 main classes?

Answer 4

polyplocophora, gastropoda, bivalva, cephalopoda

Question 5

Class Polycophora

Answer 5

chitons, 8 overlapping plates,small

Question 6

Class gastropoda

Answer 6

snails, slugs, limpets,shells, torsion

Question 7

Class cephalopoda

Answer 7

octopus, radula with beak like jaws, nervous system

Question 8

Class bivalva

Answer 8

clams, sessil, hinge shel

Question 9

squids, nautilus

Answer 9

are awesome

Question 10

good case study

Answer 10

cone shell, use harpoon

Question 11

good case study

Answer 11

cone shell, use harpoon

Question 12

Phylum Arthropoda

Answer 12

crabs shrimp

Question 13

Crustacea?

Answer 13

Marine arthopods

Question 14

classes of crustacea

Answer 14

malacostraca, Branchipoda, ostracoda, copepoda, cirripeda

Question 15

Key features of crustacea

Answer 15

protostomes, bilaterally symmetrical, segmented, jointed,

through gut exoskeletion, compound legs

Question 16

Key features of crustacea

Answer 16

protostomes, bilaterally symmetrical, segmented, jointed,

through gut exoskeletion, compound legs

Question 17

Malacostraca

Answer 17

basic bitch shrimp

Question 18

super orders of malacostraca

Answer 18

hoplocarida, isopoda, amphipoda, eucarida

Question 19

super orders of malacostraca

Answer 19

hoplocarida, isopoda, amphipoda, eucarida, decapoda

Question 20

super order Isopoda

Answer 20

parasites

Question 21

Super order eucarida

Answer 21

crabs/ shrimp

Question 22

order decapodapoda?

Answer 22

ten pairs of limbs, more developed nervous systems, visual

and stomach, lobster

Question 23

class brachiopoda?

Answer 23

freshwater crustaeans

Question 24

classes of crustacea

Answer 24

malacostraca, Branchipoda, ostracoda, copepoda,

cirripeda

Question 25

class brachiopoda?

Answer 25

freshwater crustaeans

Question 26

class ostrocoda?

Answer 26

sml enclosed bivalve shell formed by carapace, seed

shrimps

Question 27

class copepoda

Answer 27

head and mouthparts well developed because they are parasites

Question 28

class cirripedia

Answer 28

lacks segmentation

Question 29

primitive crustacea

Answer 29

cephalicarida

Question 30

subphylum of arthropoda not crustacea

Answer 30

chelicerata

Question 31

characteristics of chelicerata

Answer 31

body in 2, one pair of appendages, 4 oairs of walking legs, predatory

Question 32

classes of subphylum chelicerata

Answer 32

pycnogonida (sea spider), merostomata (horse show crab) , arachinda(scorpions)

Question 33

crustacean life style 3 points

Answer 33

reverse diel migation, gonochoristic, symbiosis

Question 34

class echinoderms

Answer 34

sea star, urchins, sea cucumbers

Question 35

main characteristics of echinoderms

Answer 35

true tissues and organs, no head, deuterostome

Question 36

5 main classes of echinoderms

Answer 36

crinoidia (feather star), asteroidea (sea starts), ophiuridea
(brittle starts), holothuroidea (sea cumcumbers), echinoidia
(Urchins)

Question 37

5 main classes of echinoderms

Answer 37

crinoidia (sea lillyfeather star), asteroidea (sea starts), ophiuridea
(brittle starts), holothuroidea (sea cumcumbers), echinoidia
(Urchins)

Question 38

biological importance of echinoderms

Answer 38

nutrient break down, good fossils