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The respiratory system is a collection of organs working together in order to oxygenate the blood and remove the waste product carbon dioxide. The respiratory system uses a method of gaseous exchange ...
Evolution is a gradual change in the inherited traits of a population over many generations.
Natural selection is a mechanism where the members of a population best suited to their environmen...
A chamber wall's thickness is directly linked to its function. Each of the 4 chambers has a different function and so, they each have different wall thickness.
The more work a chamber has to d...
There is obviously no black and white answer, but the study of behavioural ecology tackles this issue. Empirical studies in the animal's natural environment are more difficult but more rewarding to co...
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