B3 - Life on Earth

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

Clues

  • A cactus has a small surface-area to volume ratio in order to.. (6, 5, 4)
  • If mutations occur during the formation of sex cells, the mutation is ............... to offspring. (6, 2)
  • Natural selection means........ (8, 2, 3, 7)
  • Selective breeding can be dangerous as it promotes development of features that......... (2, 3, 4, 8)
  • The bodies of fish are ........... . This helps them to move through water with as little resistance as possible. (11)
  • The process of less adapted species dying off is called ...... (7, 9)
  • These features of a fish's anatomy propel them through water. (4, 4)
  • When a human chooses what gets selected it is called.......... (9, 8)
  • When genes change, it is called.... (9)
  • When individuals of the same species have differences it is called ......... (9)

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