jazmine0303 jazmine0303

23-04-2019
Biology

contestada

Which class of vertebrates is considered to be the first to develop lungs, allowing them to become terrestrial organisms?
A) Reptilia
B) Aves
C) Mammalia
D) Amphibia

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pwpresnell pwpresnell

23-04-2019

Answer:

Amphibia

Explanation:

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