secreted by the gonadotropic cells of the anterior pituitary gland, and regulates the development, growth, pubertal maturation, and reproductive processes of the body
Brain size has increased nearly 3x in 4 million years.
Where are the answer options and a picture of the problem?
You forgot to add the answers but a non living factor that could contribute could be something like temperature.
genetic drift
Explanation:
Genetic drift is changes in allele frequencies of a gene pool due to chance or random events. This can occur in large or small populations. Genetic drift causes gene pools of two isolated populations to become dissimilar as some alleles are lost and other are fixed.
