A Jellyfish have advantages and disadvantages for humans.
B Humans have had a serious negative impact on jellyfish.
C Jellyfish will cause problems for humans in the future.
D Humans and jellyfish are fundamentally similar.
35 What is the writer’s main point in the sixth paragraph?
A Jellyfish may once have inhabited dry land.
B Jellyfish improve the environment they live in.
C Jellyfish have proved able to survive over time.
D Jellyfish have caused other species to become endangered.
36 The writer refers to the ‘scyphozoa’ in order to
A exemplify the great size of some jellyfish.
B illustrate that jellyfish are biologically complex.
C explain why certain jellyfish may become extinct.
D suggest that scientists still misunderstand jellyfish.
Questions 37-40 Complete each sentence with the correct ending, A-F , below. Write the correct letter, A-F, in boxes 37-40 on your answer sheet. 37 Researchers working in Norway and the Arctic have shown that
38 The use of DNA sequencing and isotope analysis has proved that
39 Research into ‘upside-down jellyfish’ showed that
40 Following research in the Mediterranean Sea, it has been claimed
that
A it was wrong to assume that jellyfish do not sleep.
B certain species of jellyfish have changed their usual diet.
C jellyfish can be observed and tracked in ways that do not injure them.
D one particular type of jellyfish may be able to live forever.
E there are more types of jellyfish than previously realised.