<span>When river water is no longer flowing downhill, the water slows down. This makes sediment drop to the bottom. Sediment deposited where a river flows into an ocean or lake builds up and a landform called a delta is formed.</span>
I think it should be D. A loss in biodiversity due to catastrophic event.
1.LARGES CELLS WILL REQUIRE MORE SPACE
2,LARGER CELLS WILL ALSO REQIURE MORE AND MORE NOURISMENT
