<span>Birds
Birds are organisms which utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption
The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN from the atmosphere and produces and releases CARBON DIOXIDE to the atmosphere.answer is letter D.
Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide.
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<span>Rainforests have a very high percentage of the total biodiversities of the world. The rich biodiversity relates to the specialization of various species for living in a particular niche like this. So, your answer is D. High biodiversity also relates to forest fragmentation, and climatic localisations.</span><span />
