Question and answer
Which organisms utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption? A. Amphibians B. Birds C. Fish D. Mammals
Birds utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption.
Question|Asked by brendakids
Asked 1/30/2016 10:02:23 AM
Updated 8/1/2016 12:24:14 PM
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Birds utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption.
Added 8/1/2016 12:24:14 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [8/1/2016 12:29:28 PM]
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Questions asked by brendakids
Which of the following is characteristic of the second stage within a demographic transition? A. The birth rate continues to climb to meet the death rate. B. The death rate begins to fall, but birth rates remain high for a time. C. The birth rate falls to meet the death rate. D. The birth rate and death rate are equally high.
Question|Asked by brendakids
Not Answered
Updated 1/1/2017 8:07:16 AM
1 Answer/Comment
The death rate begins to fall, but birth rates remain high for a time is characteristic of the second stage within a demographic transition.
Added 1/1/2017 8:07:16 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/1/2017 10:27:26 AM]
Unlike in prokaryotic cells, replication in eukaryotic cells A. involves much less DNA. B. starts from a single point. C. is continuous in two directions until the whole chromosome is copied. D. can start in many different places on a sequence at the same time.
Question|Asked by brendakids
Updated 4 days ago|6/22/2019 11:14:46 PM
1 Answer/Comment
Unlike in prokaryotic cells, replication in eukaryotic cells is continuous in two directions until the whole chromosome is copied.
Added 4 days ago|6/22/2019 11:14:46 PM
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [6/24/2019 5:06:02 AM], Masamune [6/24/2019 5:06:02 AM]
Which of the following is a product of photosynthesis? A. Water B. Carbon dioxide C. Oxygen D. Sunlight
Weegy: Oxygen is a product of photosynthesis. (More)
Question|Asked by brendakids
Expert Answered
Updated 1/30/2016 2:58:57 AM
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All of the following patterns were witnessed by Darwin except that species vary A. within very short spans of time. B. over time. C. around the world. D. locally.
Question|Asked by brendakids
Not Answered
Updated 1/19/2018 4:24:18 AM
1 Answer/Comment
All of the following patterns were witnessed by Darwin except that species vary within very short spans of time.
Added 1/19/2018 4:24:18 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/19/2018 5:36:43 AM]
Which one of the following diseases is caused by a virus? A. Strep throat B. Tetanus C. Hepatitis B D. Tuberculosis
Weegy: Strep throat is caused by a virus. User: Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory? A. Ribosomes of some organelles are like that of those found in bacteria. B. The mitochondria and chloroplasts are much different in structure than bacteria. C. Some organelles divide by fission just like bacteria. D. Mitochondrial and chloroplast DNA is similar to bacterial DNA. (More)
Question|Asked by brendakids
Updated 1/30/2016 10:13:35 AM
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