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Vertebrate Adaptions For Terrestrial Life
Part 1 of Paper
....P-BIOLOGY test)
The problems of survival of animals on land are very different from
those of survival of animals in aquatic environment. Describe four problems
associated with animal survival in terrestrial environments but not in aquatic
environments. For each problem, explain a physiological of structural solution.
.... Part 2 of Paper
....ranching 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 to develop
a means of conserving water. One way we do this is through our excretions.
Nitrogen forms a major waste product in animals. When amino acids and nucleic
acids are broken down, they release toxic ammonia (NH3). To rid the body of this
toxin, several mechanisms have evolved,.... |
| Number of words: 624 - Approximate pages: 3 |
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