Environmental science

can someone help me on this question please:

27. The tundra is most suitable to a vertebrate that
a. requires nesting sites in tall trees
b. is cold blooded
c. has a green outer skin for camouflage
d. can migrate hundreds of kilometers each summer

i've eliminated A and C from my choices...i'm leaning towards D..?

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  1. D. is definitely the answer.

    Check these sites about cold-blooded creatures.


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  2. I'd choose D, too.

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  3. ok, finally a correct answer :)

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