Topic 5 - Life processes in the biosphere glossary

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

Clues

  • A community of species that does not develop to a natural climax, but is maintained by external influences including human activities such as burning, grazing or ploughing. (12)
  • A skeleton on the outside of an organism found in insects and crustaceans. (11)
  • An organism that gains its organic compounds for energy and growth from other organisms. (11)
  • Biological factors such as food and disease. (6, 7)
  • Physical factors such as light, water and temperature. (7, 7)
  • Symbiotic fungi associated with plant roots that gain carbohydrates from the plants and aid the uptake of nutrients such as phosphates from the soil by the plants. (11, 5)
  • The community of organisms at the end of primary succession. (6, 9)
  • The greatest population that can be supported sustainably in an area. (8, 8)
  • The species which is the first to colonise an ecosystem. (7, 7)
  • The transfer of the male plant gametes onto the female part of a flower, resulting in fertilisation and seed production. (11)

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