Population ecology is the study of these and other questions about what factors affect population and how and why a population changes over time. Population ecology has its deepest historic roots, and its richest development, in the study of population growth, regulation, and dynamics, or demography.
While running, the neck of a giraffe moves backward and forward to keep the animal balanced. Giraffes have a top speed of about 56 kilometres per hour (35 miles per hour), however, because its legs are so long a galloping giraffe does not appear to be going very fast.
Banish boredom, boost your athleticism, and prevent joint injury with this full-body transverse-plane workout. Chances are you spend most of your gym time moving in just one direction. Think about it: Standard gym moves like lunging, squatting, and running are all variations on front-to-back movement.