Why are the miller-urey experiments essential to the theory of evolution? they showed that life can only come from life. they showed that electricity can create life. they showed how organic molecules could be made from earth's early atmosphere. they demonstrated the role that natural selection played in the evolution of modern day organisms.

there are plastid colour pigment organelle containing a verity of colours

              plastids contain of three organelles 1) chloroplast   (2)   chromoplast   (3)   lecoplast

            the verities of colours are present in chromoplast rather than green so, petals of sun flavour colour is due to chromoplast.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse