Questions 1-10

C is wrong because these problems are in the present.
D is wrong as no similarities are listed. 
35  C
The paragraph outlines various ways that jellyfish have 
managed to survive, despite difficult conditions, and 
research showing that one type of jellyfish can become 
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younger. In the final sentence the writer sums up by 
commenting that jellyfish are ‘resilient’ – able to cope or 
survive in difficult conditions. Therefore, C is the correct 
answer.
A is wrong because while the ‘planet’ is mentioned, 
there is no reference to ‘dry land’.
B is wrong because although jellyfish seem to do well in 
acidic water, they don’t ‘improve’ their environment. 
D is wrong as there is no reference to jellyfish harming 
other species, just doing better than some in difficult 
conditions. 
36  B
The writer outlines the lifecycle of the scyphozoa in 
this paragraph. The lifecycle is ‘biologically complex’ 
because the jellyfish goes through three quite different 
stages of life. The scyphozoa ‘illustrates’ something 
common to all jellyfish because they all go through 
similar life stages. This complexity is emphasised in the 
final sentence – ‘sophisticated and unusual’.
A is wrong as the paragraph is talking about ‘complexity’, 
not ‘size’. 
C is wrong because complexity does not imply that 
jellyfish are threatened.