Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female?

- estrogen
- progestin
-progesterone
- testosterone

The correct answer is estrogen hormone.

It is estrogen hormone which brings about changes in the body of a female during puberty and causes the growth and development within her body. Puberty is a period in the life span of a female which ranges from 12 to 19 years in a female. The changes which occur in a female body during puberty are breast enhancement, growth of pubic hair and widening of hips. These characters and changes during puberty are also known as secondary sexual characters. During this period, a female proceeds towards attainment of adulthood and becomes capable of reproduction. All this occurs under the influence of estrogen hormone.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.