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  3. Questions 34-39Complete the flow-chart below.Choose NO MORE THAN TWO WORDS AND

Questions 34-39Complete the flow-chart below.Choose NO MORE THAN TWO WORDS AND

游客2024-01-08  67
问题 Questions 34-39
Complete the flow-chart below.
Choose NO MORE THAN TWO WORDS AND/OR A NUMBER from the passage for each answer.
Write your answers in boxes 34-39 on your answer sheet.
                 Method of determining where the ancestors of
                    turtles and tortoises come from
Step 1
71 species of living turtles and tortoises were examined and a total of【R34】______ were taken from the bones of their forelimbs.
↓
Step 2
The data was recorded on a【R35】______(necessary for comparing the information).
Outcome: Land tortoises were represented by a dense【R36】______of points towards the top.
Sea turtles were grouped together in the bottom part.
↓
Step 3
The same data was collected from some living【R37】______species and added to the other results.
Outcome: The points for these species turned out to be positioned about【R38】______ up the triangle between the land tortoises and the sea turtles.
↓
Step 4
Bones of P. quenstedti and P. talampayensis were examined in a similar way and the results added.
Outcome: The position of the points indicated that both these ancient creatures were【R39】______ [br] 【R39】
选项
答案 dry-land tortoises
解析
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