Which of the following is not a unique feature of birds?
a. four chambered heart
b. hollow bones
c. keeled breast bone
d. constant direction of air flow through the lungs
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Aminotes concept. You can view video lessons to learn Aminotes. Or if you need more Aminotes practice, you can also practice Aminotes practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofWhich of the following is not a unique feature of birds?a. f...as low difficulty.
How long does this problem take to solve?
Our expert Biology tutor, Kaitlyn took 8 minutes and 1 second to solve this problem. You can follow their steps in the video explanation above.