asked 219k views
2 votes
Which of the following groups of animals has the most efficient gas exchange?

A: amphibians
B: reptiles
C: birds
D:mammals

asked
User Darzen
by
7.5k points

2 Answers

7 votes

Answer:

It was indeed birds. I would have included the rest, but I closed my quiz on accident.

Step-by-step explanation:

answered
User Danilda
by
8.0k points
1 vote

Answer:

birds

Step-by-step explanation:

I found a quizlet online with the answer:^

answered
User Marko Kohtala
by
8.0k points
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