Phylum Echinodermata (Class Asteroidea)

Question 1

COT starfish

Answer 1

Acanthaster planci

Question 2

sand cucumber

Answer 2

Holothuria scabra

Question 3

barnacles

Answer 3

Balanus balanoides

Question 4

blue swimming crab

Answer 4

Portunus pelagicus

Question 5

mud crab

Answer 5

Scylla serata

Question 6

talaba

Answer 6

Crassostrea iredalei

Question 7

class asteroidea

Answer 7

starfish

Question 8

class ophiuroidea

Answer 8

brittle star

Question 9

class echinoidea

Answer 9

sea urchin

Question 10

class holothuroidea

Answer 10

sea cucumber

Question 11

class crinoidea

Answer 11

sea lilies

Question 12

bilaterally symmetrical in

Answer 12

larval stage

Question 13

radically symmetrical as

Answer 13

adults

Question 14

accounts for gaseous exchange, circulation of nutrients and waste elimination. unique among echinoderms

Answer 14

water vascular system

Question 15

they are _____ and have _____

Answer 15

tripoblastic and have coelomic cavity

Question 16

the skeleton is made up of

Answer 16

calcium carbonate

Question 17

the tube feet aids in

Answer 17

locomotion

Question 18

they posses the power of

Answer 18

regeneration

Question 19

refers to the upper surface

Answer 19

aboral

Question 20

base spines

Answer 20

pedicellariae

Question 21

entrance of the water vascular system

Answer 21

madreporite

Question 22

opposite of aboral where the mouth is

Answer 22

oral

Question 23

small, calcium carbonate plates that make up the internal skeleton of echinoderms

Answer 23

ossicles

Question 24

short and blunt covered with ectoderm

Answer 24

spines

Question 25

true body cavity

Answer 25

coelom

Question 26

have longitudinal muscles, uniform in diameter is maintained by circular tissue fibers

Answer 26

tube feet

Question 27

tube feet are the principal

Answer 27

sense organs

Question 28

larva of starfish

Answer 28

bipinnaria