Which of these is the most serious impact to an ecosystem after a tornado? an increase in biodiversity
soil erosion along with water pollution
the growth of plants in newly cleared areas
animals relocating to different habitats

The answer is d i think

Crossing over creates new combinations of genes in the gametes that are not found in either parent contributing to genetic diversity

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.