The natural hierarchy of social status and dominance occurring in a group of birds.
The usually informal hierarchy of authority or command, often partial or approximate, as determined by the especially natural propensity for domination of different members of a specific group over each other, such as older brothers and sisters over their younger siblings.
Development, increase, evolution.
A sequence obtained by adding or multiplying each term by a constant.
chord progression
The act of moving from one thing to another.
The act of moving forward or proceeding in a course; motion onward.
The making an exercise more exerting by manipulating the details of its performance like loaded weight, range of motion, angle, speed.