Echinoid revision test

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  • Created by: naomi
  • Created on: 05-01-14 15:21
I M C H E A R T S H A P E D F L A T X Y X
O G G T C B X N G M J S T K T P G C D A H
I N O Q O U A G B T O P H N E Y F F L G D
N Y U K H K E Q B F G I K Y O R I E J U Y
V S R E T J R O R T M N U H A T L C H R X
E N Q P X U T X C N E T L Y R E T P W G A
R O R I R K H D C C K E V F O M E O H K Q
T I B F E F E F L E V R Y Q U M R Q H J C
E T N A D L Y F A H L A O N N Y F H D Y C
B C S U J E D U N S G M Q T D S E Q C T R
R E N N H U I T U Y W B I K T L E B F C V
A T F A K V D U A J X U N M H A D Y S Y W
T O R L D M N S F A Q L T R E R I V M V X
E R I X B R T G N G H A M M M E N R W M O
S P W U V U M K I C F C A C O T G J S O P
G S H H Y Y D L W U K R R A U A U L W Y M
T B O A G S S D I G J A J N T L J F B R Y
C I W V I M C C M U U L Q D H I L U A K J
Q E O H E C X G G F Q W U R G B B H U V N
G R J G D N A Y I J Y Y N C L D X J G S U
H V R W K G H O H V E B M S V N O C T C E

Clues

  • Are echinoids invertebrates or vertebrates? (13)
  • How do irregular echinoids feed? (6, 7)
  • Name the mode of life of a regular echinoid (9)
  • Name the mode of life of an irregular echinoid (8)
  • Name the type of symmetry for an irregular echinoid (9, 8)
  • What is the function of the spines? (10)
  • What sape is the test on an irregular echinoid? (5, 6, 4)
  • When did echinoids become extinct? (4, 5)
  • Where is the peristome? (6, 3, 5)
  • Which is bigger, the ambulacral plate or the interambulacral plate? (15)

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