B3 - Life on Earth

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

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)
  • 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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