The ancient dragonfly Meganeura had an estimated wingspan of 71 cm, an estimated

Question

The ancient dragonfly Meganeura had an estimated wingspan of 71 cm, an estimated body length of 43 cm, and a total body mass of 150 g. The largest dragonfly alive today, the giant darner (Anax walsinghami) has wingspan of 13 cm, a total length of 12 cm, and a mass of 1.5 g. If the respiratory surface area of the giant darner is 100 cm2, predict the respiratory surface area of Meganeura:

Question 33 options:

2,000 cm2

10,000 cm2

200 cm2

1,000 cm2

3,500 cm2

2,000 cm2

10,000 cm2

200 cm2

1,000 cm2

3,500 cm2

Explanation / Answer

The respiratory surface area comes arround 3500 cm2 First calculate the total surface area ie equal to length X wings span= 71cm X43 cm =3053cm2 That approximately gives the value 3500 cm2.

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