I get why u were confused cause the way they word some of the answers literally doesn't make any mf sense
my best answer would be the 3rd one (sediment that is sorted by size due to the changing velocity of the water)
Explanation:
because when sediments are well sorted their sizes are similar
They both have similar environments, which show they have evolved similar behaviors and appearances. hope this helps <3
The parameters of the area of a population when we are organizing the biosphere is called a specie
