Large animals need specialized organs for gas exchange because . a volume increases more rapidly than surface area as size increases b they require more oxygen per unit of volume c surface area increases more rapidly than volume as size increases d they collect more energy and therefore have more energy to allocate to specialized tissues

b. they require more oxygen per unit of volume.

Explanation:

Large animals have a specialized organs for exhalation and inhalation of gases due to the requirement of large amount of oxygen for cellular respiration. Respiration is a process in which energy is released in the form of Adenine tri phosphate (ATP) in the mitochondria of the cell with the addition of oxygen. The waste product such as carbondioxide is produced which is removed from the body body through lungs.

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