It was also found that an increase in testosterone during the PASP predicted subsequent willingness to choose competitive tasks (3, 28, 29). ... Aggression research in human studies has revealed an interesting property of testosterone dynamics, its rapid fluctuations provoking reactive aggression in response to stimuli.
Answer:
The average height of a person depends on several factors, like gender, nationality, age, etc.
The average height for an american woman is currently 5 feet 4 inches. While the average height for an american man is currently 5 feet 9 inches.
In Peru, for example the average height for a man is 5 feet 4 1⁄2 inches while for men is 4 feet 11 1⁄2 inches.
In Noway, for man 5 ft 10 1⁄2 in and for woman 5 ft 6 in.
You can look for a List of average human height worldwide, in case you are looking for a nationality in particular.
7. Succession, 6. Extinction, 5. Niche, 3. Ecosystem, 2. Population, 1. Habitat, 4. Environment, 8. Community