B3 - Life on Earth

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

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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