B3 - Life on Earth

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

Clues

  • A benefit of an offspring developing new characteristics is that it can help the organism to ...... (7)
  • 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)
  • 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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