Arrange the tiles to show the sequence of events in the development of the theory of evolution.
p. s: scientists examined evolutionary relationships using dna sequencing is the last one (which is correct)

Scientists collected fossils that showed species changing over time -> Darwin collected specimens from around the world during the HMS Beagle voyage -> Darwin proposed the theory of evolution by natural selection -> Mendel proposed laws of how traits are inherited -> Scientists examined evolutionary relationships using DNA sequencing

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.