Zoology: Understanding the Animal World Episode 18, Size, Structure, and Metabolism Episode 18, Size, Structure, and Metabolism.

Streaming video - 2017

Explore how an animal’s size helps it thrive. Look at allometric scaling (which helps explain diverse characteristics, like why smaller animals like mice have faster breathing and heart rates than the enormous elephant), why invertebrates are much smaller on average than vertebrates, and how bioenergetics - how animals obtain and use fuel - helps us understand animal survival.