Biology, 11.05.2021 01:00 Soccermen1021
Use the following information to answer the question(s) below. Due to its system of air sacs connected to the lungs, the respiratory system of birds is arguably the most effective respiratory system of all air-breathers. Upon inhalation, air first flows into posterior air sacs, then into the lungs, and then into anterior air sacs on the way to being exhaled. Thus, there is one-way flow of air through the lungs, along thousands of tubules called parabronchi. Which type of bird is most likely to benefit from air sacs, which reduce its weight
Answers: 2
Biology, 22.06.2019 09:50
The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations
Answers: 2
Use the following information to answer the question(s) below. Due to its system of air sacs connect...
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