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.
Primary Muscles. The primary muscles involved in scissor kicks are the hip flexors and the transverse abdominis, the deepest muscle in the stomach. The hip flexors work to lift and hold your legs slightly off the floor during the exercise. The transverse abdominis aids in maintaining your stability, posture and balance.he primary muscles involved in scissor kicks are the hip flexors and the transverse abdominis, the deepest muscle in the stomach. The hip flexors work to lift and hold your legs slightly off the floor during the exercise.