gas exchange

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

Clues

  • To reduce water loss insects have what around their spiracles? (4, 5)
  • What are pores on the tracheae called? (9)
  • What do the tracheae branch off into? (10)
  • What do they use to close their spiracles to control water loss? (7)
  • What feature of their surface helps with water control? (10)
  • What is another way? (11)
  • What is another? (9, 5)
  • What is one adaptation of teh tracheoles to increase diffusion rate? (4, 5)
  • What is one way respiratory gases move in and out of the tracheae? (9, 8)
  • What structure do insects use to exchange gas? (8)

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Human, animal and plant behaviour resources »