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.
When giraffes walk, they move both legs on one side of their body and then both legs on the other side; this is unique to giraffes. However, they run in a similar style to other mammals, swinging their rear legs and front legs in unison. They can reach 55 km/h (35 mph) at full speed but only in brief spurts.
Movement. The hip joint is one of the most dynamic joints in the body. It is able to move in multiple directions including flexion, extension, adduction, abduction, and internal and external rotation. Twenty one muscles assist with the hip joint to create desired movements.The muscles are split into 4 groups. These are the flexors, extensors, adductors, and abductors.t is able to move in multiple directions including flexion, extension, adduction, abduction, and internal and external rotation. Twenty one muscles assist with the hip joint to create desired movements.