Large animals need specialised organs for gas exchange because ________.
A) they require more oxygen per unit of volume
B) surface area increases more rapidly than volume as size increases
C) volume increases more rapidly than surface area as size increases
D) they collect more energy and therefore have more energy to allocate to specialised tissues

Question

Quizplus · Accepted Answer

As an animal's size increases, its volume increases more rapidly than its surface area. This means that larger animals have relatively less surface area available for gas exchange per unit of volume, making it necessary for them to have specialised organs for efficient gas exchange.

Large Animals Need Specialised Organs for Gas Exchange Because ________