B3 - Life on Earth

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

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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