This is a short summary of the paper
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Vertebrate Adaptions For Terrestrial Life
Start of Term Paper
AP-Biology Essay on vertebrate structural adaptations for terrestrial life.
(From an actual past AP-BIOLOGY test)
The problems of survival of animals on land are very different from
those of survival of animals in aquatic environment. Describe .... Middle of Term Paper
... the circulatory system removes oxygen, and delivers
waste carbon dioxide. Land vertebrates have developed a different approach to
the problem of gas exchange, as water is not present in all of the terrestrial
environment. Terrestrial vertebrates have developed lungs to solve this problem.
Air enters through the nasal passages, or the mouth, passes through the trachea,
then branches off at the two bronchi, and goes through many branching passages
called bronchioles, which end in alveoli. Alveoli are sack-like structures where
the circulatory system meets the respiratory system.
Since terrestrial vertebrates do not live in water, they need ... |
| Number of Words: 624 |
Approximate Pages: 3 |
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