Echinoids

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R E H C N V J E B P A B K V F Q F D X X Y
U B X W G S V Y N K U X G Y I B N C X Q B
S C E J Q I N E P M X V G L V R T C O G E
U C V R C C A J Q O V R M K E G V T V T I
B K F D L V G J B T E C S T F O S J G J W
A C X M I X Y X U N E R N U O C R E E K C
N E C H I N O D E R M A T A L F I V N V N
A O O O H J H H C T L D E S D X A O I X U
L L R B V G G Q S S J D C W S W P O T C V
F W X O D I R L E F N B E L Y S E R A A U
A X K I H N M L X K O R E J M A R G L M S
S R N T J P O V I N P V O M M J O R P N O
C Q C N O T D O P I U A B M E W P O L A X
I C P D S T Q L G B N T F P T F C I A S M
O J L I R J L H M I Y M E M R A W R T D H
L G R S E A O H R L N A N R Y D C E E E L
E A U S E S J A W S T O G R A Z E T I E M
I S W U T D Q G L K C O E Q K P V N T G Q
J Q L O W E R S I D E X M J V E I A C T G
I F G C R V L Q Q P F V V H Q R V Q L B S
H Y Q I Q O G O V X O L U A C A I L R F U

Clues

  • do regular echinoids live in high energy or low energy environments? (4, 6)
  • how does the regular echinoid feed? (4, 4, 2, 5)
  • was the mouth on the upper side or the lower side of the echinoid (5, 4)
  • what are the jaws on a regular echinoid called? (9, 7)
  • what is the echinoid phylum? (13)
  • what part of the irregular echinoid is covered in cilia for extretement? (3, 4, 8)
  • what part of the irregular echinoid was covered in cilia for feeding? (8, 6)
  • what type of symmetry do all echinoids show? (4, 4, 8)
  • where did the tube foot protrude from in a regular echinoid? (4, 5)
  • where were the sperm and eggs released on an echinoid (7, 5)

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