Gases in Earth's Atmosphere. Nitrogen and Oxygen are by far the most common. Dry air is composed of about 78% Nitrogen (N2) and about 21% Oxygen (O2). Argon, Carbon Dioxide (CO2), and many other gases are also present in much lower amounts; each makes up less than 1% of the atmosphere's mixture of gases.
So therefore Oxygen is the gas that makes up the largest portion of the Earths Atmosphere.
<span>Punctuated
Equilibrium/ Equilibria proposes that once species appear in the fossil record,
the population will be in the state of
little or absent morphologic change. This is called a state of stasis. The
theory further proposes that the population is confined to infrequent and
geographical rapid events when significant evolutionary change happens. The parent species will the split into two
distinct species. This process if called cladogenesis.</span>
Depending on the purpose for which the description is needed, there are three various levels of complexity at which the vascular architecture of the liver might be described:
- The first level, known as the conventional level, is equivalent to Couinaud's classic 8-segment scheme and serves as a common language for doctors from other disciplines to define the location of localized hepatic lesions.
- The true branching of the hepatic veins and the main portal pedicles is taken into consideration in the second, surgical level, which will be used for anatomical liver resections and transplantations. Modern surgical and radiological procedures may fully exploit this anatomy, but doing so involves acknowledging that the Couinaud scheme is oversimplified and examining the vascular architecture objectively.
- The third degree of complexity, known as the academic level, is focused on the anatomist and the requirement to provide a systematization that clarifies the apparent conflicts between anatomical literature, radiological imaging, and surgical practice.
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Answer:
Any animal that is not a equine, tapir, or rhino.
Explanation:
There are 3 extant families of <u>odd toed ungulates</u>:
- Equidae (<em>horses, donkeys, zebras etc</em>)
- Rhinocerotidae (<em>rhinoceroses</em>)
- Tapiridae (<em>tapirs</em>).
If the animal isn't in one of those families, it isn't an <u>odd toed ungulate</u>.