Back to forum
Verbal·Information and Ideas·Command of Evidence
medium
Bird Species by Average Mass
Common nameAverage mass (kg)Capable of flight?
Great bustard10.6Yes
Trumpeter swan12.7Yes
Emperor penguin31.5No
Common ostrich104.0No
Most bird species that are capable of flight weigh less than a kilogram (kg), which is not surprising considering the burden that extra body weight puts on a flying animal. But not all flying birds are so light, as we can see most clearly in the example of the __________
Which choice most effectively uses data from the table to complete the example?
A
common ostrich, which has a higher average mass than the emperor penguin.
B
trumpeter swan, which has an average mass of 12.7 kg.
C
common ostrich, which has an average mass of 104.0 kg.
D
great bustard, which has an average mass below 10 kg.