B3 - Life on Earth

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

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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