B3 - Life on Earth

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