Answer:
allows for maximum contact between the alveoli and the capillaries that surround them.
Explanation:
Answer: birds
Explanation: because birds have wings and they can fly
decided 19 × 1080 add that to 2097 + flip
In the face of major gaps in the fossil record, far-reaching interpretation of fragmentaryfossil remains can<span> easily lead </span>to misinterpretation<span> of phylogenetic relationships.</span>