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What adaptations do you think they have which allow them to fly so high?

2007-06-07 13:18:18 · 3 answers · asked by Anonymous in Science & Mathematics Biology

3 answers

Isn't it in your book?

2007-06-07 13:20:55 · answer #1 · answered by Alice K 7 · 0 2

Highly developed circulatory and respiratory systems that allows them to draw more oxygen b/c of their high O2 need and b/c of the reduced O2 levels at such heights.

2007-06-07 13:22:20 · answer #2 · answered by Luis B 2 · 1 0

One heck of a lot of hemoglobin for carrying all the extra oxygen they will need at that height, for one thing.

2007-06-07 13:21:42 · answer #3 · answered by Anonymous · 1 1

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