The second and fourth answer. :)
The focea centralis functions to promote daytime vision, being the site of concentrated photoreceptors called cone cells.
*changes in earth plates
*energy production
*energy production
*changes in earth's rotation
Meiosis is important in the human life cycle in terms of chromosome number because it maintains the chromosome number in human beings constant. Meiosis occurs when gametes are produced wherein only half the number of the total chromosomes are allotted for each gamete.