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STALIN [3.7K]
2 years ago
15

Which of the following statements about bird respiration is FALSE?

Biology
1 answer:
zheka24 [161]2 years ago
7 0

Answer:D

Explanation: The pulmonary air sacs of birds only permit a unidirectional flow of air through the lungs. Unidirectional flow means that air is inhale and exhale through one trachea alternatively. This means the bird lungs only receive largely fresh air which has a high oxygen content during inhalation and do not receive fresh during exhalation. While air flow bidirectional in mammals.

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Explain sources of error.
LekaFEV [45]

Answer:

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2 years ago
Rna in cells differs from dna in that ___________________. select one:
irinina [24]
Hello! 

RNA in cells differs from DNA in that it is single-stranded and can fold up into a variety of structures.

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3 years ago
Using two specific examples, explain how land use may change as technology changes
swat32
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8 0
2 years ago
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You see a white marker with black vertical stripes. what should you do? do not pass between the marker and the shore. keep the m
bija089 [108]

The right option is; do not pass between the marker and the shore.

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6 0
2 years ago
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irina1246 [14]

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2 years ago
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